Tunduma is a border town between Tanzania and Zambia. It lies in Tanzania, in the Mbeya Region. It has border posts for both the Tanzam Highway and the TAZARA railway (for which it has a station) linking the two countries. It is 113 km south-west of Mbeya. It is also the junction for the dirt road which runs via Sumbawanga through the remote far western districts of Tanzania to Kasulu and Kibondo in the north-west.