Kolubara_District
Kolubara District
District of Serbia
The Kolubara District (Serbian: Колубарски округ / Kolubarski okrug, pronounced [kɔlǔbarskiː ôkruːɡ]) is one of eight administrative districts of Šumadija and Western Serbia. It occupies the central part of western Serbia. According to the 2011 census results, it has a population of 174,513 inhabitants. The administrative center of the Kolubara District is Valjevo, on the banks of the Kolubara River.