Martonia

Mantralia, officially the Republic of Mantralia, is a country in North America, specifically in the Atlantic Ocean. It is neighbored by the to the west,  to the east, and the  territory of  to the north.

The Native Mantralians have inhabited what is now Mantralia for at least 14,000. Beginning late in the 15th century, Europeans settled along the country's western coast, and after various conflicts in regards to territory, claimed the country's northern half in 1809. Disputes with Great Britain over taxation and political representation led to the War of the North (1864–1866), and on 4 June 1866, Mantralia won the war, establishing itself as an independent country with its own liberal democratic political system.

Politically, Mantralia is a federal parliamentary constitutional monarchy comprising of six states and five territories with a highly urbanized population of over 44 million. Bancroft is the national capital, while its five most populated cities are Sarasota, Ashbourne, Brookshire, Evepark, Wengora, Bristane, and Lakeburn. Considered a melting pot of cultures and ethnicities, its population has been profoundly shaped by centuries of immigration.

Mantralia is a highly developed country with one of the world's largest economies, as well as a regional power. Mantralia ranks highly in democracy, health, education, economic freedom, civil liberties, safety, political rights, and quality of life; all of its major cities fare exceptionally in both national and global comparative livability surveys. The country is a member of the, , , Six Lands, and ; it is also in various treaty organizations, including AUMAUS, UKMA, MAUSCA, and MANZUS.