Amsterdam has an unique combination of Old World charm and cosmopolitan culture. It is one of the most popular European cities for visitors and tourism. Amsterdam is now one of Europe's top ten tourist cities. Amsterdam attracts some 4.5 million visitors who have a choice of c. 50.000 hotel beds and stay a combined total of some 10.0 million nights. Because of its central location, Amsterdam has developed herself into a major gateway to Europe for intercontinental air traffic. Visitors in Amsterdam are especially captivated by the atmosphere of Amsterdam's lively 17th century City Centre. Walking the narrow streets or along the canals, tourists are delighted to discover an Old World charm complemented by the excitement of a cosmopolitan metropolis. This, combined with the hospitality of the multi-lingual, friendly inhabitants mean that many return for longer visits. Amsterdam has one of the most number of different cultures (177) of all Capitals in the World.