 The state comprised the basins of the Great Morava, West Morava, and South Morava Rivers, extending from the source of South Morava northward to the Danube and Sava Rivers.Its north-western border ran along the Drina River.Besides the capital Kruševac, the state included important towns of Niš and Užice, as well as Novo Brdo and Rudnik, two richest mining centres of medieval Serbia.