Its boundaries and name were gazetted on 4 April 2007 and fully surrounds the localities of Elliott and Newcastle Waters.

[7][1][9] The Stuart Highway and the Adelaide-Darwin Railway both pass from south to north on the western side of the locality.

[7] Pamayu includes the following places that have been listed on the Northern Territory Heritage Register – the Powell Creek Telegraph Station and the Ucharonidge Station No.

[10][11] The 2016 Australian census which was conducted in August 2016 reports that Pamayu had 33 people living within its boundaries.

[2] Pamayu is located within the federal division of Lingiari, the territory electoral division of Barkly and the local government area of the Barkly Region.