Location: Weymouth Bay, Pascoe River, and Temple Bay; north to Cape Grenville; southeast to Cape Weymouth; inland to the Dividing Range.
Co-ordinates: 143°5'E x 12°25'S
Area: 1,300 sq. m. (3,400 sq. km.)
References: Harris, 1917; Thomson, 1933, 1934, 1946; Tindale, 1940; McConnel, 1953; Trezise, 1969; West, pers. comm.
Alternative Names: Yao, Ya'o, Koko Ya':o, Koka-yao (term applied by southern tribes), ? Makadama.