Kasanga, known as Bismarckburg during the German colonial rule, is a town in Rukwa Region, Tanzania. It is located at around 8°27′30″S 3…Kasanga, known as Bismarckburg during the German colonial rule, is a town in Rukwa Region, Tanzania. It is located at around 8°27′30″S 31°8′10″E / 8.45833°S 31.13611°E, on the shore of Lake Tanganyika, 810 m above sea level.