Victoria Falls or Mosi-oa-Tunya is a waterfall located on Zambezi River at the border of Zambia and Zimbabwe. It's classified as the largest waterfall, basted on its width of 1,708 meters and height of 108 meters.
Zambia is a landlocked country located in South Africa, it borders Congo, Tanzania, Malawi, Mozambique, Zimbabwe, Botswana, Namibia and Angola. The capital is Lusaka.
source: wikipedia & google maps