Location: Between West and South Alligator rivers; inland to Bamboo Creek.
Co-ordinates: 132°20'E x 12°25'S
Area: 800 sq. m. (2,100 sq. km.)
References: Spencer, 1914, 1928; Tindale, 1940; Berndt and Berndt, 1951; Elkin, Berndt and Berndt, 1951; Mackay, 1959 MS; Capell, 1963.
Alternative Names: Ngorm-bur, Ngumbu, Gnornbur, Ngorbur, Oorm-bur, Corm-bur, Koarnbut, Ambuku:la, Ambugula, Numbugala, Nambuguja.