Pumahan utama kagenahang ring genah-genah sané  nampek antuk kawéntenan tukad taler tanahnyane gemuh: Tigris miwah Efrat ring Mesopotamia, Tukad Nil ring Mesir, Indus ring banua India, miwah Tukad Yangtze taler Tukad Kuning ring Cina.
These settlements were concentrated in fertile river valleys: the Tigris and Euphrates in Mesopotamia, the Nile in Egypt, the Indus in the Indian subcontinent, and the Yangtze and Yellow Rivers in China.