Nuuk international airport to the northeast of the town centre. Built in 1979, it is a hub for Air Greenland, which is also headquartered in Nuuk, and operates its technical base at the airport. There are flights inside Greenland and to Iceland. There is a decision to extend the runway so that there can be flights to European destinations like Denmark. As a result of the high cost of flying goods to Greenland, Nuuk and other towns in Greenland are connected to Denmark by cargo vessels which sail mainly from Aalborg during the warmer months after the winter ice has melted.
City proper offices. These questionnaires ask for the country-specific definition of urban areas, rural areas and city proper. In its glossary, the Yearbook defines "city proper" as "a locality defined according to legal/political boundaries and an administratively recognized urban status that is usually characterized by some form of local government". In its data however, the United Nations Demographic Yearbook affords the individual countries considerable leeway over the definition of "city proper". The table titled "Population of capital cities and cities of 100 000 or more inhabitants" provides several country-specific definitions for "city proper" that diverge from the provided definition: These definitions are