The municipality consisted of Narsaq, and the settlements Qassiarsuk, Igaliku, and Narsarsuaq.
[1] Its administrative center was the town of Narsaq.
It was incorporated into the new Kujalleq municipality on 1 January 2009, when the municipalities of Narsaq, Nanortalik, and Qaqortoq ceased to exist as administrative entities.
The municipality had a population of approximately 2150 people.
[2] The size of the municipality was some 8500 km2 of which less than half, or 3000 km2, was open land.