Copenhagen Airport, Kastrup is an international airport serving Copenhagen, the capital of Denmark, as well as Zealand, the Øresund Region, and southern Sweden including Scania. In 2023 it is the largest airport in the Nordic countries.

Copenhagen is the capital and most populous city of Denmark, with a population of approximately 660,000 in the municipality and 1.4 million in the urban area. The city is situated on the islands of Zealand and Amager, separated from Malmö, Sweden, by the Øresund strait. The Øresund Bridge connects the two cities by rail and road.