Tshikapa is a city in the province of Kasaï in the southwest of the Democratic Republic of the Congo . It is located about 64 km north of the Angolan border and 193 km west of the city of Kananga . According to a publication by the University Library of Utrecht , the city's population increased from 38,900 in 1970 to 180,900 in 1994. However, since the Congo War led to large fluctuations in the population, no exact current information can be given. Tshikapa has been known as a major diamond mining site since its inception in the early 20th century .
