Harmony Gold Mining Company Limited primarily focuses on the exploration, extraction, and processing of gold, but also actively seeks out deposits of uranium, silver, copper, and molybdenum. The company maintains a significant operational presence in South Africa, comprising nine underground mines located in the Witwatersrand Basin, an open-pit mine on the Kraaipan Greenstone Belt, and multiple surface treatment facilities. Beyond South Africa, Harmony Gold possesses interests in Papua New Guinea, including the Hidden Valley, an open-pit gold and silver mine, and the Wafi-Golpu project situated in Morobe Province.