AngloGold Ashanti's corporate offices are in Johannesburg. Tel: + 27 (0) 11 637 6000. 76 Rahima Moosa Street. Newtown. Johannesburg 2001. South Africa. Learn more. Iduapriem, Ghana. Iduapriem, an open-pit mine comprising the Iduapriem and Teberebie properties and the Ajopa South West concession, is located in the western region of Ghana.