Lake Victoria is the lake that forms an international boundary between Tanzania and Uganda. It is the largest lake in Africa and the world`s second-largest freshwater lake by surface area. Lake Victoria is located in East Africa and is bordered by Tanzania to the east, Uganda to the north, and Kenya to the northeast.

The lake is of great significance to both Tanzania and Uganda, and its waters are shared by both countries. The border between Tanzania and Uganda runs through the lake, with each country having a portion of the lake within its territory. The exact division of the lake between the two countries is determined by international agreements and treaties.

Lake Victoria is not only important for its boundary significance but also for its ecological and economic value. It supports a diverse ecosystem with numerous species of fish and other wildlife. The lake is a vital source of freshwater for the surrounding communities, and its waters are used for various purposes, including fishing, transportation, and tourism.

Overall, Lake Victoria serves as a significant natural feature that connects Tanzania and Uganda and plays a crucial role in their shared history, economy, and natural resources.