Kujalleq used to belong to Ammassalik Municipality.
 The border on the western coast runs alongside Alanngorsuaq Fjord and on the eastern coast up to Anorituup Kangerlua (Anoritoq) Fjord
 Separating Ammassalik Island from the mainland of Greenland are the wide Sermilik Fjord in the west and the Ikaasartivaq Strait in the northeast

