Kavango–Zambezi Transfrontier Conservation Area is the second-largest nature and landscape conservation area in the world, spanning the international borders of five countries in Southern Africa. It includes a major part of the Upper Zambezi River and Okavango basins and Delta, the Caprivi Strip of Namibia, the southeastern part of Angola, southwestern Zambia, the northern wildlands of Botswana and western Zimbabwe. The centre of this area is at the confluence of the Zambezi and Chobe Rivers where the borders of Botswana, Namibia, Zambia and Zimbabwe meet. It incorporates a number of notable national parks and nature sites, including Chobe National Park, Hwange National Park, and the Victoria Falls. The region is home to approximately 250,000 African Elephants, the largest population in the world.