The usual name for a star cluster located on the fringe of the galaxy, beyond the Perseus Veil and near the Terminus Systems. It's currently under the jurisdiction of the quarian-Geth alliance, which is based in the neighbouring Veil.
Dholen System: Gotha, Charoum, Haestrom, Mass relay
Ma-at System: Ammut
Rannoch Fleet Authority officials made a heated accusation to the ‘New Migrants’ faction of quarians, implicating them in a campaign of piracy on the Far Rim-Pylos Nebula connection lane.