Bosnia became the medieval Kingdom of Bosnia, under Tvrtko I of House of Kotromanić. The capitals of the kingdom were all located in its centre, while the...

Zrmanja River to the mouth of the Cetina. At the same time, Stephen II Kotromanić, Ban of Bosnia, annexed the territory between Cetina and Neretva, as...

Bordering Serbia to the west was the banate of Bosnia, ruled by Stephen II Kotromanic. During the reign of Dušan's father, Stefan Dečanski, Stephen expanded...