Uummannaq is located 590 kilometres north of the Arctic Circle on Uummannaq Island located in the south-central arm of the Uummannaq Fjord. Uummannaq is also the general name given to the series of inlets north of the promontory at Niaqornat on the Nuussuaq Peninsula.
The island is also home to Uummannaq Mountain, rising very sharply to the height of 1170m. Climbing it requires technical skills.
Air Greenland operates helicopter services to Qaarsut Airport from Uummannaq Heliport. The neighbouring villages in the Uummannaq area are served by district cargo helicopters. In summer months, Royal Arctic Line operates its 'bygdeservice' with sailings by small ships to its neighbouring villages, including a service to Qaarsut.
Danish and Greenlandic children believe that Santa Claus lives in Spraglebugten Bay in the west of the island. A turf hut (Santa's Castle) was built there for a Danish television programme and remains Santa's home in the popular imagination.
Scottish singer KT Tunstall's third album Tiger Suit features the track "Uummannaq Song", which was inspired by her trip to the town in September 2008 with Cape Farewell.
Uummannaq is home to Uummannaq Music – the world's northernmost music platform on sea ice.
Uummannaq is the third-largest town in the Qaasuitsup municipality. It had 1,282 inhabitants in 2010, which was a decrease of more than 12% relative to the population in 2000.