Sangmissoq

Sammisoq (old spelling Sangmissoq, ; English traditional:Christian IV Island) is an island in the Kujalleq municipality in southern Greenland, located northeast of Uummannarsuaq cape. It is the largest island of the Cape Farewell Archipelago (Nunap Isua).

==Geography== Its area is and at its largest length is . It is separated from mainland Greenland to the north by the narrow Prince Christian Sound. The island has glaciers in the south and in the west. Its coast is deeply indented and its southern part is almost separated from the main island by two narrow inlets. To the south lies Itilleq Island and to the west Annikitsoq, both part of the same group.