The Great Lakes Twa, also known as Batwa, Abatwa or Ge-Sera, are a pygmy people who are generally assumed to be the oldest surviving population of the Great Lakes region of central Africa, though currently they live as a Bantu caste. Current populations are found in the states of Rwanda, Burundi, Uganda, and the eastern portion of the Democratic Republic of Congo. In 2000, they numbered approximately 80,000 people, making them a significant minority group in these countries.