The above map is of D&D's Faerun, a popular official setting for tabletop players. It lists regions, nations, and polities. Gives one a strong idea of the diverse amount of stuff that could be explored in a fictional setting.

Now that I've given you a better idea what this prompt asks for. What polities, regions, and nations exists if your world? What is their culture about?

  • Nation: Yuukoma

    Regions: Heartlands Region, Ashenan Plains Region, Mohai Desert Region, Sonkun Jungle Region

    Culture: Cosmopolitan, artistic, merchantile

    -----------------------

    Nation: Ardium

    Regions: Nozrelian East Shore, Nozrelian Central Lands, Nozrelian West Shore

    Culture: Nationalistic, industrious, militant

    ----------------------

    Nation: Tijara

    Regions: Golden Sea Gulf, Tijaran Floodlands, North Zeran Desert

    Culture: Hypercapitalistic, innovative, competitive

    ----------------------

    Nation: Vainas

    Regions: Vainas Summer Fields, Vainas Frost Mountains, Vainas Woodland

    Culture: Communal, isolated, perservering

    ----------------------

    Nation: Al-Zara

    Regions: Zaran Coasts, Southern Zeran Desert, Eastern Mohai Desert

    Culture: Religious, proud, hospitable

    ----------------------

    Nation: Galia

    Regions: Fog Coast, Galian Central Highlands, Western Sonkun Plains

    Culture: Aristocratic, noble, militant

  • Kingdom of Velliad

    Regions: The Great Coast, Summer Plains, Sofrod Highlands, Wenx Swamp, Xok Island

    Capital City: Port Padd

    Government type: Constitutional monarchy

    Culture: Militaristic, aristocratic, heavy focus on agriculture, deeply traditionalist.

    Grand Duchy of Setgaj

    Regions: Nochax Forest, Teben Snowfield, Ice Wastes, Frozen Coast

    Capital City: Buzgrad

    Government type: Fedual duchy

    Culture: Isolationist, decentralized, heavy focus on mining industry, corrupted government officials, highly spiritual.

    Holy Empire of Calarreb

    Regions: Great Northern Plains, Qulj Mountains, Golden Coast, Holy Heart of the Empire, Eastern Steppes, Tukiv Forest, Lytren Desert

    Capital City: Lyzorpolis

    Government type: Theocratic parliamentary monarchy

    Culture: Militaristic, nationalistic, xenophobic, heavily industrialized, high corruption, environmental issues, deeply spiritual.

    Kingdom of Araisa

    Regions: Kuhl Jungle, The Desert of the Ancestors, The Bronze Desert, Yopad Coast

    Capital City: Sanqal City

    Government type: Elective monarchy

    Culture: Peaceful, focused on economy, defensive, artistic, great educational system, constant civil wars.

    Khaid Alliance

    Regions: Morgeb Sea, The Endless Steppes, Southern Mountains, Deij Swamps

    Capital City: Port Mabbel

    Government type: Alliance of city states and local tribes

    Culture: Isolationist, heavy focus on agriculture, unruly, chaotic domestic politics, corrupted officials, awful economy.

    Kingdom of Banzia

    Regions: The Legendary Forest, Hulaw Highlands, Valley of Nesd

    Capital City: Morthburg

    Government type: Constitutional monarchy

    Culture: Flexible economy, peaceful, highly spiritual, hospitable, artistic, weak army, good living conditions.

    Kingdom of Wondryv

    Regions: Island of Powq, Northern Peninsula, Green Forest, Icefield of the Fools, Silver Highlands

    Capital City: New Gywzam

    Government type: Absolute monarchy

    Culture: Hospitable, militaristic, great navy, aristocratic, ignorant, awful economy, focus on trade and mining.

  • Nation: Kurkonian Empire

    Regions: Kurkonian Plateu, Dozag Mountains, Plains of Labat, Casushian Mountains, Hyrasean Sea

    Culture: Cosmopolitan, Imperialistic, Militant