evidence: Ankoko Island (Isla de Anacoco in Venezuela) is located at the confluence of the Cuyuni River and Wenamu River, at , on the border between Guyana and Venezuela. Venezuela, which claims a large part of western Guyana, occupied and annexed the Guyanese half of the island in 1966. [...] This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article Ankoko Island