(zăm'bēӘ), officially Republic of Zambia, republic (2015 est. pop. 15,066,000), 290,584 sq mi (752,614 sq km), central Africa. It borders on Congo (Kinshasa) in the north, on Tanzania in the northeast, on Malawi and Mozambique in the east, on Zimbabwe, Botswana, and Namibia in the south, and on Angola in the west. Lusaka is the capital and largest city. Zambia is largely made up of a highland plateau, which rises in the east. The elevation there ranges from c.3,000 to 5,000 ft (915–1,520 m), and higher altitudes are attained in the Muchinga Mts., where Zambia's highest point (c.7,120 ft/2,170 m) is located. Also in E Zambia are Lake Bangweulu, parts of lakes Mweru and Tanganyika, and the Luangwa and Chambeshi rivers. The Zambezi River drains much of the western part of the country (where the elevation is c.1,500–3,000 ft/460–910 m) and forms a large part of Zambia's southern boundary. The impressive Victoria Falls and the huge Lake Kariba (formed by Kariba Dam ), both on the border…