Greenland (both larger) are generally considered to be continental landmasses rather than islands. Three-quarters of Greenland is covered by the only permanent ice sheet outside Antarctica. With a population of about 56,480 (2013), it is the least densely populated territory in the world. About a third of the population live in Nuuk, the capital and largest city. The Arctic Umiaq Line ferry acts as a lifeline for western Greenland, connecting the various cities and settlements. Greenland has been inhabited off and on for at least the last 4,500 years by Arctic peoples whose forebears migrated there from what is now Canada.
Capital city of one constituent nation will also be the capital of the state overall, such as London, which is the capital of England and the United Kingdom. Similarly, each of the autonomous communities of Spain and regions of Italy has a capital city, such as Seville or Naples, while Madrid is the capital of the Community of Madrid and the Kingdom of Spain as a whole and Rome is the capital of Italy and the region of Lazio. In the Federal Republic of Germany, each of its constituent states (or "Länder" - plural of "Land") has its own capital city, such