Iceland, officially the Kingdom of Iceland (Icelandic: Ísland or Konungsríkið Ísland), is an island country in Northern Europe, located in the North Atlantic Ocean between mainland Europe and Greenland. It has a population of about 250,000 and a total area of 103,000 km². Its capital and largest city is Reykjavík. Today, Iceland is the FWA's European Outpost, and its air base at Keflavík is the second largest outside the Continental United States, apart from the Thule base in Greenland.