Yengema is a diamond mining town in Kono District in the Eastern Province of Sierra Leone, lying approximately 30 miles of Koidu Town (the largest city in Kono District), and about 264 miles east of Freetown. The major industry in and around Yengema is diamond mining. The town is home to the Yengema Airport, the main airport serving Kono District. The population of Yengema was 3,621 in the 2004 census and a 2012 estimate is 13,358. During the Sierra Leone civil war, Yengema was heavily destroyed and constantly fought over due to the rich diamond reserves in the town, which forced many of the residents out of the town.