This page is about fictional nation of King Otakar XXI. of Bohemian Premyslid Empire'', you can see his youtube channel here. Bohemian Premyslid Empire (Czech: Česká Přemyslovská Říše), officialy named "Empire of United Slavic Lands of Central Europe" is a nation in central europe. It is bordered by 4 countries: Aztec Empire from the west, Republic of Yugoslavia from the south, UPRUPR from the east and The United Scandinavia from the north.