Location: About the mouth of the Nassau River; a coastal tribe ranging inland for about thirty miles (50 km.); north to Mitchell River, south in the present day along the coast to Delta Station but formerly no farther than near Inkerman, north of the Staaten River. Although surrounding people call them ['Kona'ni:n], their preferred name is Kokopera. They are also known as ['Kungkara].
Co-ordinates: 141°35'E x 15°45'S
Area: 900 sq. m. (2,300 sq. km.)
References: Parry-Okeden, 1897; Mathews, 1899 (Gr. 6445); Roth, 1904, 1910; Sharp, 1934, 1939; Tindale, 1940, 1963 MS; Simmons, Graydon and Gajdusek, 1958; Capell, 1963; Doherty, 1964.
Alternative Names: Koko-bera, Kukaberra, Kungkara (valid alternative), Konanin (name used by surrounding tribes), Goonanin, Gunani, Gunanni, Goonamin, Goonamon, Koko papung, Kokopapun (misprint), Ba:bung [sic].