The Nkomazi Local Municipality is located in the eastern part of the Ehlanzeni District Municipality of the Mpumalanga Province. The municipality is strategically placed between Swaziland (North of Swaziland) and Mozambique (east of Mozambique). It is linked with Swaziland by two provincial roads and with Mozambique by a railway line and the main national road (N4), which forms the Maputo Corridor.
The Nkomazi Municipality is 3240.42 km² in extent, which is 4.07% and 23% of the Mpumalanga Province and Ehlanzeni District Municipality land mass respectively.
The Nkomazi Municipality is bounded by the Mozambique to the east, Swaziland to the south, Kruger National Park to the north, Umjindi Local Municipality to the south west and Mbombela Local Municipality from the northwest to west.The main urban centres are Louw’s Creek; Kaapmuiden; Malelane, Hectorspruit, Marloth Park, Komatipoort, KaMhlushwa, Tonga and KaMaqhekeza.