The Kolonjë District is one of the thirty-six districts of Albania, part of Korçë County. It has a population of 14,318 (2010 estimate). The district has an area of 805 km². It is in the south-east of the country, and its capital is Ersekë. Other towns in this district include Leskovik to the south. It is bounded by Korçë to the north, Greece to the east including the prefectures of Kastoria and Ioannina. The town of Ersekë is built at the foot of mount Gramos (Albanian: Mali i Gramozit), Albania's fourth-highest mountain with a peak at 2525 m above sea level.