Drina (Serbian Cyrillic: Дрина, pronounced [drǐːna]) was a medieval župa (county) located somewhere in what is now Podrinje (the Drina valley) in eastern Bosnia and Herzegovina and western Serbia. Its location and spreading is unclear. The region was part of the first Serbian Principality, in the Early Middle Ages. John Kinnamos (1143–1185) noted that the Drina separated Bosnia from Serbia, although an 1187 Papal document still identified Bosnia as part of Serbia. The Drina župa was mentioned in the Chronicle of the Priest of Duklja (CPD, ca. 1300), as the site of a battle and the fief of Serbian nobleman Tihomir during Prince Časlav's reign (927–960). In 1359, veliki čelnik Dimitrije (fl. 1349–59) is mentioned as holding Gacko, Drina, Dabar, and Rudine. Drina is mentioned as an area with