Reykjavík, city, capital of Iceland, on the Faxaflói (a bay of the Atlantic Ocean), in the southwestern part of the country. It is the largest city, a major fishing port, and the main commercial, manufacturing, and cultural center of Iceland. Manufactures include processed food, apparel, paint, metal products, ships, and printed materials. The city is served by an international airport at Keflavík. Reykjavík is a modern city, with most of its buildings heated by water piped in from nearby geothermal springs. It is the site of the University of Iceland (1911); the Reykjavík Conservatory of Music (1930); the Althing (parliament); the Lutheran cathedral; the National Library; the National Archives; and the National Theater. Points of interest include the Museum of Natural History, the National Museum, which contains a collection of Icelandic antiquities; the National Gallery; the modern Hallgrím's Church; and a statue of the Icelandic navigator Leif Eriksson, presented in 1930 to Iceland by the United States to commemorate the 1000th anniversary of the founding of the Althing.

Vikings established the first permanent settlement here in 874. The community was chartered in 1786, became the seat of parliament in 1843, and was made the capital of Iceland in 1918. Its main growth as an economic center occurred in the 20th century. Population (2005 estimate) 113,022.