long, narrow extension of Namibia, running about 280 miles (450 km) from the northeast corner of the main block of the country eastward to the Zambezi River. Its width varies from about 20 to 65 miles (32 to 105 km). The physical geography of the region is an extremely flat plain, about 3,100 feet (950 m) in elevation lying on the swampy northern margin of the Kalahari, mostly between the Zambezi River on the northeast (beyond which is Zambia) and the Kwando-Linyandi- (Mashi-Linyanti-) Chobe river system on the south and southwest (beyond which, for the most part, is Botswana). Angola borders the area on the north, and the Okavango River traverses the strip in the west.
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