Kionga Triangle

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The Kionga Triangle, shown on a contemporary German map

The Kionga Triangle (German: Kionga-Dreieck, Portuguese: Triângulo de Quionga) was a small region of German East Africa situated at the mouth of the Ruvuma River. The Ruvuma served as the border between the German colony and Portuguese Mozambique, and the Kionga Triangle was the only section of German East Africa south of the river. Its principal settlement was Kionga (now Quionga) which had a population of 4,000 in 1910. It became a German possession in 1894 but came under Portuguese control in April 1916 during World War I.[1][2] The post-war Treaty of Versailles reaffirmed that the river was the border between Tanganyika, then under British control, and Portuguese Mozambique. The triangle was the only territory that the treaty awarded to Portugal.[3][4]

Today, the former Kionga Triangle forms part of Cabo Delgado Province in Mozambique.

See also[edit]


  1. ^ Hew Strachan (2004). The First World War in Africa. Oxford University Press. p. 161. ISBN 9780199257287. Archived from the original on 4 August 2020. Retrieved 21 September 2017.
  2. ^ M. D. D. Newitt; Professor Malyn Newitt (1995). A History of Mozambique. Indiana University Press. p. 416. ISBN 0-253-34006-3. Archived from the original on 15 April 2021. Retrieved 15 April 2021.
  3. ^ Encyclopedia Britannica. Encyclopedia Britannica, Incorporated. 1970. p. 863. Archived from the original on 15 April 2021. Retrieved 15 April 2021.
  4. ^ Fritz Zadow (1941). Koloniale Revision. W. Conrad & Company. p. 176. Archived from the original on 2021-12-25. Retrieved 2022-04-04.

Further reading[edit]

  • Thomas, H. B., "The Kionga Triangle", Tanganyika Notes and Records Volume 31 1951, pages 47–50.

Coordinates: 10°35′46″S 40°30′31″E / 10.59611°S 40.50861°E / -10.59611; 40.50861