One of three airports serving the Oslo region, Oslo Airport (OSL) is the second-busiest airport in Scandinavia and the 17th busiest in Europe. It serves as a hub for Air Norway, Norwegian Air Shuttle, Scandinavian Airlines and Widerøe. Passengers can fly non-stop between Oslo Airport and more than 160 domestic and international destinations. In total, about 24.3 million passengers used the airport in 2014. Oslo Airport has two runways and one terminal with two wings. Domestic flights operate from the west wing and international flights operate from the east wing. There are a total of 52 gates. Airport amenities include free WIFI internet, retail stores including duty-free shops, restaurants, bars, banks, ATMs and currency exchanges.