Magna Rumeli

Magna Rumelli is the nation that limits to the north with Dacia, to the northwest with the Empire and to the south with the Turkish Principalities. According to the light novel, the Magna Rumelli nation has colonies in Africa.

This country consists of southern Balkans and Anatolia according to the maps in the anime, but has never been mentioned elsewhere. The maps of the LN and manga also shows an unlabeled country in the same area, although much smaller than the Magna Rumeli in the anime.

Trivia

 * The word Rumelli is likely a reference to the European province of Rumelia (Turkish: Rumeli)