Qaanaaq is a town and municipality in northwestern Greenland. It is the only town and the only municipality in the county of North Greenland (Avannaa). It was founded after the town of Thule became a US Air Base; Thule's Greenlandic population was then resettled to Qaanaaq.
The municipality has an area of 225,500 km2 (87,050 mi2), a large portion of which is ice cap area. It borders on Upernavik municipality on the south, on the unincorporated area of the Northeast Greenland National Park on the east, on the Arctic Ocean on the north, and on the Nares Strait, which separates North Greenland from Ellesmere Island of Nunavut, Canada on the west.
Near Qaanaaq there is one of the tallest constructions in the world, the 410 meter Radio Mast Thule.
Qaanaaq is the world's most northerly palindrome.
Air Greenland operates air services to Qaanaaq.