Location: Tidal reaches of Roper River nearly to mouth of Hodgson River, south to Limmen Bight River; eastward to coast and Maria Island, north to Edward Island. Plate 42 is relevant.
Co-ordinates: 135°10´E x 14°50´S
Area: 3,000 sq. m. (7,800 sq. km..)
References: Lowre in Curr, 1886; Spencer and Gillen, 1904, 1912; Power in Basedow, 1907; Spencer, 1914; Tindale, 1921-22 MS, 1925, 1940 MS; Radcliffe-Brown, 1930; Sharp, 1935; Capell, 1942, 1960; Berndt and Berndt, 1951, 1964.
Alternative Names: Marra, Leelalwarra (after Jalwara, a place name, an important lagoon south of Roper River), ? Walkonda.