Helsinki-Vantaa Airport in Vantaa, Finland, is the main international airport of the Helsinki metropolitan region and the whole of Finland. It is located about 5 kilometres from the centre of Vantaa, Tikkurila, and 9.2 NM north of Helsinki city centre. Originally built for the 1952 Summer Olympics in Helsinki, the airport served 13,426,901 passengers in 2008 and it is the fourth largest airport in the Nordic countries. The airport is operated by Finavia, the state-owned enterprise that operates Finland's airports. Helsinki-Vantaa was chosen the best airport in the world in the IATA 1999 survey on the topic. In 2006 global airport customer satisfaction survey AETRA ranked Helsinki-Vantaa one of the best airports worldwide and according to Association of European Airlines 2005 delay rates, Helsinki-Vantaa was the most punctual airport in Europe.