This territory is between the coast and the Dartry Mountains, borders Ulster to the north and extends from the Owenmore river at Ballysadare to the Drowes (Drobhaois) River near Bundoran. It included the districts of Cálraighe Locha Gile, Magh Cetne, Bréachmhaigh, Magh Eabha, Cuil Iorra and part of Dartraige. Benbulben (Benn Ghulbain) is in it along with Knocknarea and Lough Gill. The extent was larger prior to the twelfth century.