The Dr Pixley Ka Isaka Seme Local Municipality is a Category B municipality situated within the Gert Sibande District in the Mpumalanga Province It is bordered by Msukaligwa in the north, the Free State and KwaZulu-Natal Provinces in the south, Mkhondo in the east, and Lekwa in the west It is one of the seven municipalities that make up the district, accounting for 16 of its geographical area
The municipality is named after Pixley Ka Isaka Seme, a founder and president of the African National Congress Volksrust is the seat of the municipality
Area 5 227km².