Wikipedia
Yengema is a diamond mining town in Nimikoro Chiefdom, Kono District in the Eastern Province of Sierra Leone, lying approximately from Koidu Town (the largest city in Kono District), and about east of Freetown. The major industry in and around Yengema is diamond mining. The town is home to Yengema Airport, the main airport serving Kono District. A 2012 estimate of Yengema population was 13,358 people.
The population of Yengema is ethnically diverse, though the majority of its residents are ethnic Mandingo and Kono. . The primary language of communication in Yengema is the Krio language, which is widely spoken in the town.
Yengema is home to the Yengema Secondary School (commonly known as YSS), and is among the most prominent secondary schools in Sierra Leone.
Before the civil war, Yengema was one of the most populous cities in Eastern Sierra Leone. During the Sierra Leone civil war, Yengema was heavily damaged and constantly fought over due to the rich diamond reserves in the area. This forced many of the residents to flee the city.