Taldor = Byzantium/British Empire
Qadira = historical Ottoman Empire/Arabia
Katapesh = Fantasy Arabia
Osirion = ancient egypt
Brevoy = Lithuanian-Polish Commonwealth/Westeros
Ustalav = Overall, Uberwald/Eastern Europe, however each nation seems to take the form of a 18th, early 19th century country
Cheliax = Facist Italty/Medieval Spain(Inquisitions)/Nazi-devils/British Empire
Sargava = Apartheid South Africa
Land of the Linnorm Kings = Scandinavia/Norse Mythology/Skyrim
Andoran = medievalised USA
Druma = sort of maybe wealthy merchant italy/Saudi Arabia
Korvosa = Ankh-Morpork
Absalom = Jerusalem/Lankhmar/Generic fantasy city
Geb = Undead Egypt/Tomb Kings from Warhammer
Nex = Magical Ethiopia?
Mwangi Expanse = Darkest Africa
Shackles = Caribbean
Molthune = Prussia
Lastwall = Teutonic Knights
Irrisen = Mythological Russia
Rahadoum = No real analogy that I can tell, maybe a bit of USSR/generic southern nation/sort of reverse theocracy
Realm of the Mammoth Lords = Cimmeria
Galt = Revolutionary France
I'm sure I've missed some out, but that's what I can think of at the top of my head.
Also, this
Inner Sea Explained (Little Cheeky language)
LOL - I died laughing as I read over this!
i was wondering the worlds in the inner sea countrys what anaolog in that world seem like ours what countrys are they like ect/
From TvTropes,
Absalom is Jerusalem mixed with Rhodes/Cyprus.
Almhult is Iceland.
Amanandar is Hong Kong.
Andoran is the early United States.
The Arcadians are Native Americans, and so are the Shoantinote though the Shoanti are also influenced by Robert E. Howard's Picts.
Bachuan is, of all places in a fantasy setting, a fusion of communist China and North Korea.
Brevoy and Iobaria are medieval Russia. [My Edit: Brevoy is also very much Game of Thrones Lite which I really like. You can have a campiagn there that isn't bleak and pointless and it might even end some time this century]
Cheliax can be seen as some weird form of Satan-worshipping Nazi Germany / Fascist Italy hybrid if you look at it the right (wrong) way.
Druma is Switzerland.
Dtang Ma is Thailand and Malaysia.
The Erutaki are Inuit.
The Forest of Spirits is ancient Japan, by way of Princess Mononoke.
Galt is revolutionary France.
Goka is Macau fused with Singapore.
Hongal and Shaguang are Mongolia.
Hwanggot is Korea.
Iblydos is ancient Greece.
Irrisen is the fairy tale version of Russia (complete with Baba Yaga!).
Jalmeray is a fantastic Indian version of Socotra island.
Jistka was a less successful Rome mixed with Carthage.
Kaladay is the medieval European conception of China.
Katapesh is Arabia.
Kelesh is Persia.
The Lands of the Linnorm Kings are Scandinavia. L
ung Wa and its many Successor States are China. Minata is Indonesia and the Philippines.
Minkai is Japan and so is Shokuro, with the difference being that Minkai is a bit more fantastic and Shokuro a bit more feudal.
Molthune is Prussia.
The Mwangi Expanse is Darkest Africa.
Ninshabur was Babylon/Assyria.
Osirion is Egypt.
Qadira is also Arabia (with some Persian influences).
Sarusan is Australia.
The Shackles are the Caribbean.
Taldor is the Byzantine Empire.
Ustalav is fantasy Transylvania.
Valenhall is Vinland.
The Varisians are the Romani (Gypsies).
The Varki are Sàmi (Lapland natives).
Vudra is India.
The Wall of Heaven is Nepal.
Xa Hoi is Vietnam and Khmer Empire.
Zi Ha is Tibet.