In Wikipedia: Tsonga.
Learning it? Check Changana - Local Language of Southern Africa

Tsonga is spoken by over 13 million people in:

Read the Tsonga (Xitsonga, Changane) translation of the Universal Declaration of Human Rights.

Read the Tsonga translation of South Africa's National Development Plan (Popular version, Nov. 11, 2011)

Alongside the breadcrumbs for this item which shows its "ancestry" in concept space, the Child items tab lists its descendants, and the Siblings items tab the concepts that exist under the item's "parent item".