Finavia (Finnish: Finavia Oyj, Swedish: Finavia Abp), the former Finnish Civil Aviation Administration, is a limited corporation owned fully by the Finnish State. Finavia is responsible for maintaining and developing its 25 airports and Finland’s air navigation system. In 2013, passenger volumes at Finavia’s airports reached 19 million passengers. Helsinki Airport is Finavia’s main airport, and a popular transit airport. In 2012, Helsinki Airport had a total of 4.5 million inbound and outbound transit passengers. Finavia’s headquarters is located at Helsinki Airport.