[1] The Niabali's range of territory extends over some 5,700 square miles (15,000 km2) from the headwaters of the Oakover and Davis rivers, just north of their junction.
They include the middle sector of the Fortescue River.
To the northwest, they reach as far as Roy Hill on Weeli Wolli Creek, north of the Ophthalmia Range.
[2] The Niabali have traditionally had strong tribal bonds with the Bailgu, and one result of the disaggregation and dispersion of the old territorial-tribal orders is that the two distinct groups began to intermarry, forming a more mixed set of communities.
century - Norman Tindale speaks of the early 1890s - the Kartudjara's expansion forced the Niabali to withdraw from north of Savoiry Creek to the confine at the headwaters of Jigalong Creek.