Nation Name Generator
Republics, federations, kingdoms and micronations
Generate nation names with the structure of real countries: a short everyday name (Valdoria) plus a formal long-form name (Republic of Valdoria) covering republics, federations, kingdoms, emirates, unions and city-states. Built for alternate history, sci-fi, fantasy worldbuilding, strategy games and Model UN.
About nation names
Every real nation has two names: a short form used in conversation (France, Japan, Kenya) and a long form used on treaties and passports (French Republic, State of Japan, Republic of Kenya). The long form tells you the constitutional arrangement: Republic, Federal Republic, People's Republic, Kingdom, Commonwealth, Union, Federation, Sultanate, Emirate, Principality or Free State. Fictional nations feel more real when they have both, and when the long form actually says something about how the country is governed.
Short names themselves come from a few sources. Many are a people plus a suffix meaning land: -ia (Latin, as in Ruritania and Latveria), -land (Germanic), -stan (Persian), -mark (a border region, as in Denmark and the invented Vestmark). Others are descriptive (Australis, the southern land), commemorative (Columbia, Bolivia), or begin with New or Nova to signal colonial origin (New Albion, Nova Lusitania). Fiction has a strong tradition of plausible invented Balkans and Central Europe: Ruritania, Syldavia, Zenda, Latveria, Genovia, Sokovia all use the same -ia and -avia endings.
This list mixes invented nations, famous fictional ones, real historical and breakaway states (Republic of Texas, Free City of Danzig, Mali Empire), self-declared micronations (Principality of Sealand, the Conch Republic) and space-age nations (Ceres Compact) so you can pick the right register for a novel, campaign setting, strategy game or Model UN.
How to choose nation names
- Give the nation both a short and a long-form name, and use the short form in dialogue and the long form on documents, flags and news headlines.
- Choose the government word to reflect the politics: People's Republic and Democratic Republic hint at one-party states, Free State and Commonwealth suggest breakaway or post-colonial origins, Serene Republic implies a merchant oligarchy.
- Match the suffix to the region's language: -ia and -avia for a European feel, -stan for Central Asia, -land or -mark for the north, Al- and Sultanate for the Middle East.
- For alternate history, borrow real short-lived states like the Republic of Formosa or the Free State of Fiume and imagine they survived.
- Avoid names that are already famous fictional countries (Wakanda, Latveria, Genovia) unless you are writing in that franchise; they are here as pattern examples.
Frequently asked questions
How do real countries get their names?
Most are named for the dominant people (France from the Franks, England from the Angles), a geographic feature (Montenegro, black mountain), a founder or explorer (Colombia, Bolivia), or a description in an old trading language (Japan comes from a Chinese reading meaning sun origin). Suffixes such as -ia, -land and -stan simply mean land of.
What is the difference between a nation, a country and a state?
A nation is a people with a shared identity, a state is a sovereign government with territory, and a country is the everyday word for the combination. Fictional worlds can play with this: a nation without a state, a multi-nation empire, or a city-state that is all three.
Are these fictional country names free to use?
Nothing stops you from using an invented name in your own story or game, but we have not checked any of them against trademarks or existing works. Names from published fiction such as Wakanda, Latveria, Genovia or Zamunda belong to their franchises and are listed only as examples of convention; real micronation names are used by real people and are best avoided commercially.
How do I write a good long-form name for a fictional nation?
Pick the government type that fits the story, then attach the short name or a plural region: Republic of Kessland, Federal Union of the Northern Provinces, Sultanate of Zahran. Real examples to imitate include the Federative Republic of Brazil, the Plurinational State of Bolivia and the Most Serene Republic of San Marino.
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All 1,000 nation names
A: 45 names
- Adal Sultanate
- Aerican Empire
- Aguaverde
- Ahom Kingdom
- Ajuran Sultanate
- Akhzivland
- Alash Autonomy
- Aldoria
- Aldovia
- Alentura
- Alliance of Free Cities
- Allied Peaks of the High Plateau
- Almeria
- Almohad Caliphate
- Alpenau
- Althing of Skerrivik
- Altruria
- Altynstan
- Ambrosia
- Anatruria
- Anchuria
- Anglo-Corsican Kingdom
A, continued
- Angria
- Aphelion Union
- Aquilonia
- Archduchy of Greifenmark
- Arcturia
- Ardania
- Ardelian Commonwealth
- Ardenne
- Ardvenna
- Ashanti Empire
- Ashkar
- Assembly of the Mountain Passes
- Associated Moors and Fens
- Associated State of Saint Elowen
- Astoria
- Aurelia
- Auroria
- Australis
- Autonomous Oblast of Zemgoria
- Autonomous Region of Tarim
- Averlonne
- Ayutthaya Kingdom
- Azadistan
B: 31 names
- Bailiwick of Tregarrow
- Balnibarbi
- Baltmark
- Banat Republic
- Banate of Bosnia
- Banate of Tatravia
- Bandrika
- Baraka Lakes
- Barataria
- Batavian Republic
- Bavarian Soviet Republic
- Belarusian People's Republic
- Belgravia
- Belmoria
- Bengal Sultanate
- Benin Empire
- Beylik of Tunis
- Beylik of Zarqand
- Bialya
- Blefuscu
- Borduria
- Borealia
- Bracia
- Brannock
- Breccalund
- Brevonne
- Brobdingnag
- Brythonia
- Burghs of Dunholt
- Burgraviate of Erzland
- Bystravia
C: 75 names
- Caer Lirion
- Caerwen
- Caliphate of Ashkar
- Caliphate of Córdoba
- Callisto Mandate
- Calvinia
- Cape Meridian
- Captaincy General of Aguaverde
- Captaincy of the Windward Shoals
- Carpathia
- Cascadia
- Castelmora
- Cathmoor
- Centauri Charter Colonies
- Centrocaspian Dictatorship
- Ceres Compact
- Chagatai Khanate
- Chartered Towns of Emberlow
- Cimmeria
- Cimmerian Federation
- Cisalpine Republic
- City-State of Corbezzo
- City-State of Corsone
- Co-operative Republic of Ondoro
- Cockaigne
- Columbia
- Commonwealth of Australis
- Commonwealth of Cathmoor
- Commonwealth of Estmere
- Commonwealth of Halcyon
- Commonwealth of Meridian
- Commonwealth of the Jovian Moons
- Commonwealth of the Northern Isles
- Commonwealth of the Two Peninsulas
- Compact of the Four Harbors
- Conch Republic
- Condominium of the Coral Banks
C, continued
- Confederacy of the Open Steppe
- Confederate States of the Coast
- Confederated Rocks of the Belt
- Confederation of Helvane
- Confederation of Island Nations
- Confederation of the Equator
- Confederation of the Rhine
- Confederation of the River States
- Constitutional Monarchy of Ylvestad
- Consulate of Valserra
- Coral Banks
- Corbezzo
- Cordinia
- Cordune
- Corsican Republic
- Corsone
- Corsovan Federation
- Cortes of Umbrazo
- Corvane
- Corvenna
- Cossack Hetmanate
- Costaguana
- Council of the Windward Capes
- County of Barcelona
- County of Edessa
- County of Flanders
- County of Holland
- County of Toulouse
- County of Tripoli
- County Palatine of Quellmark
- Covenant of the Forest Cantons
- Crim Tartary
- Crimean People's Republic
- Crown Colony of Port Sovereign
- Crown of Castile
- Crown of Montalbera
- Crowned Republic of Havnland
- Customs Union of the Saffron Road
D: 42 names
- Daimyate of Hanamori
- Damaris
- Daugavia
- Dawsbergen
- Decapolis of the Tramontane
- Delhi Sultanate
- Democratic Commonwealth of Baraka
- Democratic Republic of Aldoria
- Democratic Republic of Georgia
- Despotate of Epirus
- Despotate of the Morea
- Diarchy of Lochmere and Strathmoor
- Directorate of Morvinsk
- Dogate of Alentura
- Dominion of Frostholm
- Dominion of Halloran
- Dominion of the Western Prairies
- Dorvane
- Draventia
- Dravonian Realm
- Drozhnia
D, continued
- Dual Monarchy of Isenfjord and Sudermark
- Duchy of Amalfi
- Duchy of Aquitaine
- Duchy of Athens
- Duchy of Benevento
- Duchy of Brabant
- Duchy of Brittany
- Duchy of Burgundy
- Duchy of Courland and Semigallia
- Duchy of Milan
- Duchy of Modena
- Duchy of Normandy
- Duchy of Parma
- Duchy of Pomerania
- Duchy of Savoy
- Duchy of Strackenz
- Duchy of the Archipelago
- Duchy of Urbino
- Dunholt
- Durrani Empire
- Dzungar Khanate
E: 35 names
- Earldom of Ostergard
- Ecotopia
- Elbonia
- Elective Kingdom of Ardvenna
- Electorate of Kronvald
- Electorate of Vestland
- Elmoria
- Emberlow
- Emirate of Bukhara
- Emirate of Diriyah
- Emirate of Granada
- Emirate of Harar
- Emirate of Jabal Shammar
- Emirate of Qadira
- Emirate of Sabra
- Emirate of Tarsuz
- Emirate of Transjordan
- Empire of Ashkar
- Empire of Atlantium
- Empire of Austenasia
- Empire of Brazil
- Empire of Solaria
- Empire of the Rising Star
- Empire of Trebizond
- Empire of Vietnam
- Empire of Yssandra
- Enceladus Cooperative
- Erewhon
- Estmere
- Estrallia
- Ethiopian Empire
- Europan Deep Republic
- Evallonia
- Exarchate of Moesia Nova
- Exarchate of Ravenna
F: 55 names
- Far Colonies Concord
- Far Eastern Republic
- Fatimid Caliphate
- Federal Democratic Republic of Kijani
- Federal League
- Federal Republic of Ambrosia
- Federal Republic of Brannock
- Federal Republic of Central America
- Federal Republic of Ostravia
- Federal Republic of Qumar
- Federal Republic of Vardenia
- Federal Union of the Northern Provinces
- Federated Shires of the Long Coast
- Federated States of Rangalei
- Federation of Karsk
- Federation of the Amber Coast
- Federation of the Eastern Isles
- Federation of the Monsoon Coast
- Federation of the Sundered Isles
- Federation of the Thousand Lakes
- Federation of Vestmark
- Federative Republic of Aguaverde
- Fenmark
- Ferrovia
- First Mexican Empire
- Fjellmark
- Florin
F, continued
- Free Associated State of Lanikea
- Free Atolls of the Southern Sea
- Free Boroughs of the Chalk Downs
- Free Cities of the Larkspur Coast
- Free City of Danzig
- Free City of Frankfurt
- Free City of Kraków
- Free City of Marrowgate
- Free Commune of Rosellane
- Free Habitats of Lagrange Five
- Free Hundreds of Tarrowby
- Free Imperial City of Nuremberg
- Free Kingdom of Koth
- Free Republic of Liberland
- Free Republic of Wendland
- Free State Bottleneck
- Free State of Bavaria
- Free State of Fiume
- Free State of Lantivy
- Free State of Libertia
- Free State of Prussia
- Free State of Saxony
- Free State of Vell
- Free Territory of Trieste
- Free Zone of Port Halden
- Freedonia
- Freetown Christiania
- Frestonia
G: 26 names
- Gallemont
- Ganymede Trust
- Generation Fleet Commonwealth
- Genovia
- German Confederation
- Ghana Empire
- Glenmorra
- Gondal
- Government in Exile of Naruvelu
- Governorate of Bahr Safi
- Gran Colombia
- Grand Duchy of Baden
- Grand Duchy of Finland
- Grand Duchy of Flandrensis
- Grand Duchy of Kessel
- Grand Duchy of Lithuania
- Grand Duchy of Marlovia
- Grand Duchy of Merovane
- Grand Duchy of Moscow
- Grand Duchy of Tuscany
- Grand Duchy of Westarctica
- Grand Duchy of Zenda
- Grand Fenwick
- Graustark
- Greifenmark
- Guilder
H: 22 names
- Halcyon
- Halloran
- Halvenna
- Halvic League
- Hanamori
- Hanse of Oldenfirth
- Hanseatic League of Baltmark
- Hanseatic Republic of Lubek
- Havnland
- Hegemony of Velikograd
- Heliopause Dominion
- Hellas Basin Federation
- Helvane
- Helvetic Republic
- Herland
- Hetmanate of Drozhnia
- Holy Empire of Vaelen
- Hospodarate of Codrava
- Hrafnmark
- Hundred Islands Confederation
- Hutsul Republic
- Hyrkania
I: 17 names
- Illyrian Provinces
- Ilmaria
- Imamate of Wadi Zafir
- Independent State of Moanaleva
- Independent State of Rainbow Creek
- Interim Authority of the Lower Reach
- International Zone of Cape Meridian
- Irish Free State
- Isenholm
- Isgard
- Ishmaelia
- Islamic Republic of Kamistan
- Islamic Republic of Qadira
- Islandia
- Istrovan People's Republic
- Italian Regency of Carnaro
- Ivoria
J: 4 names
- Jarldom of Hrafnmark
- Jeyranistan
- Juliana Republic
- Jutmark
K: 110 names
- Kaido
- Kalamoa
- Kaldic Confederacy
- Kaledon
- Kalmar Union
- Kanem-Bornu Empire
- Karsk
- Kasnia
- Kastovia
- Kelderwick
- Kepler Commonwealth
- Kessland
- Khaganate of Altynstan
- Khanate of Astrakhan
- Khanate of Kazan
- Khanate of Khiva
- Khanate of Kokand
- Khanate of Sibir
- Khanate of Tarim
- Kijani Coast
- Kilwa Sultanate
- Kingdom of Aldovia
- Kingdom of Aragon
- Kingdom of Araucanía and Patagonia
- Kingdom of Ardenne
- Kingdom of Astoria
- Kingdom of Auroria
- Kingdom of Bohemia
- Kingdom of Buganda
- Kingdom of Caerwen
- Kingdom of Carpania
- Kingdom of Carpathia
- Kingdom of Champasak
- Kingdom of Cilicia
- Kingdom of Elleore
- Kingdom of Estvane
K, continued
- Kingdom of Etruria
- Kingdom of Fiji
- Kingdom of Florin
- Kingdom of Galicia-Volhynia
- Kingdom of Genovia
- Kingdom of Graustark
- Kingdom of Guilder
- Kingdom of Gwynedd
- Kingdom of Hanover
- Kingdom of Hawaiʻi
- Kingdom of Hejaz
- Kingdom of Illyria
- Kingdom of Ishtar
- Kingdom of Ixania
- Kingdom of Jerusalem
- Kingdom of Kandy
- Kingdom of Kasnia
- Kingdom of Kongo
- Kingdom of Kundu
- Kingdom of Lan Xang
- Kingdom of Lovely
- Kingdom of Luang Prabang
- Kingdom of Markovia
- Kingdom of Marshovia
- Kingdom of Moldavia
- Kingdom of Mustang
- Kingdom of Mutapa
- Kingdom of Mysore
- Kingdom of Nakoro
- Kingdom of Naples
- Kingdom of Navarre
- Kingdom of Nemedia
- Kingdom of Nordvik
- Kingdom of North Sudan
- Kingdom of Northland
- Kingdom of Orunia
- Kingdom of Prester John
K, continued
- Kingdom of Prussia
- Kingdom of Rarotonga
- Kingdom of Redonda
- Kingdom of Ruritania
- Kingdom of Ryukyu
- Kingdom of Sarawak
- Kingdom of Sardinia
- Kingdom of Sedang
- Kingdom of Selvara
- Kingdom of Sikkim
- Kingdom of Stormguard
- Kingdom of Syldavia
- Kingdom of Symkaria
- Kingdom of Tahiti
- Kingdom of Talossa
- Kingdom of Tavolara
- Kingdom of the Ashen Coast
- Kingdom of the Iron Hills
- Kingdom of the Two Rivers
- Kingdom of Travancore
- Kingdom of Tungning
- Kingdom of Two Sicilies
- Kingdom of Vaelmark
- Kingdom of Vikesland
- Kingdom of Vulgaria
- Kingdom of Westphalia
- Kingdom of Württemberg
- Kingdom of Zamunda
- Kingdoms of Elgaland-Vargaland
- Kirovask
- Klopstokia
- Kolthar
- Krakozhia
- Kravonia
- Kronvald
- Kruševo Republic
- Kundu
L: 30 names
- Ladonia
- Lagting of Breccalund
- Lakes Union of Okavambe
- Landgraviate of Hesse
- Landgraviate of Silbergau
- Landgraviate of Sudland
- Landsgemeinde of Arvenfluh
- Lanikea
- Lantivy
- Latveria
- Laurania
- League of the Estuary Towns
- League of the Nine Valleys
- League of the Northern Cities
- Lemko Republic
- Libertalia
- Lighthouse Protectorate of Cape Annis
- Ligurian Republic
- Lilliput
- Livonian Confederation
- Lochmere
- Lomar
- Lordship of Glenmorra
- Lordship of the Isles
- Lorenthia
- Lubek
- Lunda Empire
- Lusarda
- Lusombra
- Luvenia
M: 31 names
- Madripoor
- Magistracy of Kelderwick
- Mali Empire
- Mamluk Sultanate
- Mandate of Ashford
- Maranthia
- Maratha Confederacy
- March of Montferrat
- March of Thornwald
- Marendic Union
- Margraviate of Brandenburg
- Margraviate of Eisenmark
- Margraviate of Ostmark
- Marineris Compact
- Markovia
- Marovia
- Marrowgate
- Meghadesh
- Mercurian Sunward League
- Meridia
- Merina Kingdom
- Merovane
- Mesa Roja
- Moanaleva
- Moesia Nova
- Molvanîa
- Montalbera
- Montcalm
- Montefiora
- Morvinsk
- Most Serene Republic of Ravella
N: 28 names
- Nakoro
- Neu Westfalen
- Neutral Territory of Jutmark
- New Albion
- New Avalon
- New Caledon
- New Cordova
- New Gwent
- New Lothian
- New Selene
- New Thuringia
- Nizamate of Meghadesh
- Nordmark
- Nordvik
- Norrland
- Norsca
- North German Confederation
- Norumbega
- Nova Apulia
- Nova Batavia
- Nova Carinthia
- Nova Hibernia
- Nova Lusitania
- Novaya Zemlya Republic
- NSK State
- Nueva Esperanza
- Nuevo Rico
- Nya Svealand
O: 17 names
- Old Swiss Confederacy
- Oldenfirth
- Olympus Directorate
- Ondoro
- Oort Freeholds
- Orange Free State
- Orbital Cantons of Luna
- Oriental Republic of the Sarne
- Orsinia
- Orunia
- Oskandia
- Ostergard
- Ostmark
- Ostravia
- Ostrelian Crown
- Ostrogal
- Oyo Empire
P: 55 names
- Paflagonia
- Palatinate of Nordmark
- Pallas Combine
- Pan-Terran Assembly
- Papal States
- Parador
- Parliamentary Union of Fjellmark
- Parthenopean Republic
- Patriarchate of Sorvetia
- Pelican Cays
- Pellastra
- Penguinia
- Pentapolis of Luvenia
- People's Republic of Borduria
- People's Republic of Kirovask
- People's Republic of Marovia
- People's Republic of Mongolia
- People's Republic of Tyranistan
- Perihelion Pact
- Personal Union of Highvale and Upper Vintland
- Peru-Bolivian Confederation
- Plurinational State of Tamberu
- Poictesme
- Polish-Lithuanian Commonwealth
- Pontevedro
- Port Halden
- Port Sovereign
P, continued
- Pottsylvania
- Presidency of the Cinnamon Coast
- Prince-Bishopric of Liège
- Prince-Bishopric of Vauclere
- Princely Abbey of Alpenau
- Principality of Achaea
- Principality of Aigues-Mortes
- Principality of Antioch
- Principality of Dorvane
- Principality of Filettino
- Principality of Hutt River
- Principality of Madripoor
- Principality of Montcalm
- Principality of Outer Baldonia
- Principality of Pontinha
- Principality of Sarne
- Principality of Sealand
- Principality of Silvermere
- Principality of Snake Hill
- Principality of Theodoro
- Principality of Transylvania
- Principality of Wallachia
- Principality of Wy
- Protectorate of the Isles
- Province of Bumbunga
- Provisional Government of Vilnara
- Pueblos Unidos de Mesa Roja
- Pwani Kuu
Q: 6 names
- Qadira
- Qorabel
- Quellmark
- Quintessa
- Qumar
- Qurac
R: 150 names
- Rangalei
- Ravella
- Realm of Skarholm
- Realm of the Three Rivers
- Regency of Algiers
- Regency of Lusarda
- Republic of Acre
- Republic of Alba
- Republic of Alto Sereno
- Republic of Anjouan
- Republic of Aquilonia
- Republic of Ararat
- Republic of Aurelia
- Republic of Baja California
- Republic of Belgravia
- Republic of Biafra
- Republic of Bialya
- Republic of Buranda
- Republic of Cabinda
- Republic of California
- Republic of Carpatho-Ukraine
- Republic of Cascadia
- Republic of Cascadia and the Salish Sea
- Republic of Central Lithuania
- Republic of Cochinchina
- Republic of Cordinia
- Republic of Corvenna
- Republic of Cospaia
- Republic of Costaguana
- Republic of Counani
- Republic of Cuzco
- Republic of Dahomey
- Republic of Draventia
- Republic of Elbonia
- Republic of Entre Ríos
- Republic of Equatorial Kundu
- Republic of Estrallia
R, continued
- Republic of Ezo
- Republic of Florence
- Republic of Formosa
- Republic of Fredonia
- Republic of Freedonia
- Republic of Genoa
- Republic of German-Austria
- Republic of Goshen
- Republic of Griqualand
- Republic of Halvenna
- Republic of Hatay
- Republic of Idel-Ural
- Republic of Independent Guyana
- Republic of Indian Stream
- Republic of Katanga
- Republic of Kessland
- Republic of Krakozhia
- Republic of Kuban
- Republic of Kugelmugel
- Republic of Kyrzbekistan
- Republic of Lanfang
- Republic of Latveria
- Republic of Libertalia
- Republic of Lower Canada
- Republic of Lucca
- Republic of Madawaska
- Republic of Mahabad
- Republic of Mainz
- Republic of Manitobah
- Republic of Marisel
- Republic of Matobo
- Republic of Minerva
- Republic of Mohéli
- Republic of Molossia
- Republic of Montmartre
- Republic of Nambutu
- Republic of Natalia
- Republic of New Ashford
R, continued
- Republic of New Granada
- Republic of North Ingria
- Republic of Nova Bruxa
- Republic of Nova Roma
- Republic of Novgorod
- Republic of Nuevo Rico
- Republic of Parador
- Republic of Perloja
- Republic of Pirates
- Republic of Pisa
- Republic of Ploiești
- Republic of Pskov
- Republic of Qurac
- Republic of Ragusa
- Republic of Rose Island
- Republic of Ruthenia
- Republic of Salé
- Republic of Salò
- Republic of San Lorenzo
- Republic of San Theodoros
- Republic of Sangala
- Republic of Santo Marco
- Republic of Sarnovia
- Republic of Saugeais
- Republic of Siena
- Republic of Slorenia
- Republic of Slowjamastan
- Republic of Sokovia
- Republic of Sonora
- Republic of Starfall
- Republic of Stellaland
- Republic of Tannu Tuva
- Republic of Tarquenia
- Republic of Texas
- Republic of Tharsis
- Republic of the Congo-Léopoldville
- Republic of the Floridas
R, continued
- Republic of the Free Marches
- Republic of the Rif
- Republic of the Rio Grande
- Republic of the Seven Isles
- Republic of the Seven United Netherlands
- Republic of the Silver Coast
- Republic of the Southern Cross
- Republic of the Twin Deltas
- Republic of Tomainia
- Republic of Tranquility
- Republic of Transia
- Republic of Upper Volta
- Republic of Užice
- Republic of Užupis
- Republic of Val Verde
- Republic of Valdoria
- Republic of Venice
- Republic of Vermont
- Republic of Vespugia
- Republic of Vlatava
- Republic of West Florida
- Republic of Whangamomona
- Republic of Windmere
- Republic of Yucatán
- Republic of Zaire
- Republic of Zakopane
- Republic of Zamboanga
- Republic of Zaqistan
- Republic of Zembla
- Republic of Zubrowka
- Restored Kingdom of Brythonia
- Rhosmere
- Ringward Federation
- Riograndense Republic
- Riverlands Trusteeship
- Rosellane
- Ruritania
- Ruthenia
S: 85 names
- Sable and the Marrow Islands
- Sabra
- Saint Corwin and the Keys
- Saint Elowen
- San Theodoros
- San Tiberio
- Sangala
- Santo Marco
- Sarkomand
- Sarmatia
- Sarnovia
- Satrapy of Mirzam
- Savenza
- Seborga
- Second Republic of Ilmaria
- Seigneury of Gallemont
- Seljuk Empire
- Selkirk
- Selvara
- Septentria
- Septinsular Republic
- Serana
- Serbian Despotate
- Serene Republic of Serana
- Serrantine Confederation
- Seven Lagoons Authority
- Shahdom of Farazan
- Sheikhdom of Qasr Amal
S, continued
- Shogunate of Kaido
- Sierra Dorada
- Signoria of Castelmora
- Sikh Empire
- Silbergau
- Skarholm
- Skerrivik
- Slorenia
- Socialist Republic of Vorland
- Sokoto Caliphate
- Sokovia
- Songhai Empire
- Sorvetia
- South African Republic
- Sovereign Oases of the Deep Desert
- Sovereign Parishes of the Reedlands
- Sovereign State of Forvik
- Sovereign Stations of High Orbit
- Stadtholderate of Fenmark
- Stannary of Hollinsay
- State of Buenos Aires
- State of Deseret
- State of Franklin
- State of Jefferson
- State of Kaledon
- State of Meridia
- State of Muskogee
- State of Sequoyah
S, continued
- State of Slovenes, Croats and Serbs
- State of the City of Tuvanui
- State of the Teutonic Order
- State of Vietnam
- Stewardship of Ambermere
- Strathmoor
- Sudermark
- Sudland
- Sultanate of Aceh
- Sultanate of Al-Rashid
- Sultanate of Brunei
- Sultanate of Darfur
- Sultanate of Golconda
- Sultanate of Johor
- Sultanate of Maguindanao
- Sultanate of Malacca
- Sultanate of Mataram
- Sultanate of Oman
- Sultanate of Rum
- Sultanate of Sulu
- Sultanate of Ternate
- Sultanate of Tidore
- Sultanate of Vashti
- Sultanate of Zahran
- Sultanate of Zanzibar
- Suvarnadesh
- Syldavia
- Sylvania
- Symkaria
T: 59 names
- Taifa of Seville
- Talvane
- Tamberu
- Tarim
- Tarquenia
- Tarrowby
- Tarsuz
- Tatravia
- Tau Ceti Union
- Tavero and Molu
- Technate of Borealia
- Tengrikol
- Territory of Greater Halloran
- Tervania
- Tessaline
- Tetrarchy of Hesperia
- Thalassocracy of the Pelican Cays
- Thanedom of Dunmorrow
- The Archipelago States
- The Borderland Marches
- The Compact of Meridia
- The Concordat
- The Free Cantons
- The Free Fisheries
- The Granite Union
- The Northern Alliance
- The Old Confederacy of the Glens
- The Outer Reaches
- The Riverine League
T, continued
- The Savanna Federation
- The Southern Lakes Dominion
- The Sundial Islands
- The Tidewater Commonwealth
- The Twelve Colonies
- Thessaly Nova
- Third Republic of Montefiora
- Thornwald
- Three Passes Accord
- Tierra Clara
- Timurid Empire
- Titan Assembly
- Tolvish Free State
- Tomainia
- Toucouleur Empire
- Transcaucasian Democratic Federative Republic
- Transia
- Transitional Council of Daugavia
- Transmontane Republic
- Tregarrow
- Tripolitanian Republic
- Tritonian Protectorate
- Triumvirate of Savenza
- Trucial States
- Trust Territory of Kalamoa
- Tsardom of Vorland
- Tuvanui
- Tuʻi Tonga Empire
- Twelve Bridges Compact
- Twin Crowns of Averlonne and Lusombra
U: 34 names
- Ukrainian People's Republic
- Ulthar
- Ulus of Tengrikol
- Umbrazo
- Union of Aurelia and Meridia
- Union of Borderlands
- Union of Cascadian Republics
- Union of Isenholm
- Union of Oskandia
- Union of Pwani Kuu
- Union of Sovereign Cantons
- Union of the Fjord Communes
- Union of the Highland Cantons
- Union of the Terrace Provinces
- Union of Utrecht
- Union of Vaelen and Kessland
- United Baltic Duchy
- United Brevonnais States
- United Cantons of Helvane
- United Coastal Emirates
- United Domes of Arcadia Planitia
- United Duchies of Aldmark
- United Federation of the Reaches
- United Highlands and Lowlands
- United Kingdom of Aldmark and Vesse
- United Kingdom of Nordvik and Vestland
- United Polders of Zuiderwaal
- United Provinces of Belmoria
- United Provinces of the Río de la Plata
- United Republics of Corvane
- United Shores of the Inner Sea
- United States of Columbia
- United States of the Ionian Islands
- Utopia
V: 25 names
- Vaelen
- Vaitolu
- Val Verde
- Valdoria
- Valmeric Republic
- Valserra
- Vandoria
- Vashti
- Vauclere
- Velebor
- Velikograd
- Velmoria
- Venusian Cloud Cities
- Vesperine Commonwealth
- Vesse
- Vesta Free Port
- Vestland
- Vestmark
- Viceroyalty of Sierra Dorada
- Vijayanagara Empire
- Vilnara
- Vlatava
- Voivodeship of Bystravia
- Vorland
- Vulgaria
W: 4 names
- Wakanda
- Wardenship of the Lowmoor Marches
- Westhaven
- Windward Shoals
Y: 2 names
- Ylvestad
- Yssandra