Kolwezi or Kolwesi is the capital city of Lualaba Province in the south of the Democratic Republic of the Congo, west of Likasi. It has an airpor…Kolwezi or Kolwesi is the capital city of Lualaba Province in the south of the Democratic Republic of the Congo, west of Likasi. It has an airport and a railway to Lubumbashi. Just outside of Kolwezi there is the static inverter plant of the HVDC Inga-Shaba. The population is approximately 573,000.