Lufthansa is the German national carrier, the first in Europe and the fourth in the world in terms of served customers. The Lufthansa Group includes Lufthansa Regional, Lufthansa Cargo, Germanwings, Austrian Airlines, Swiss Int. Airlines and several other companies that partly belong to the German giant. Lufthansa is one of the founders of the aerial alliance Star Alliance. In 1926, a company called Hans Deutsche Luft was founded in Berlin. Today, the company's headquarters is in Cologne, but the main base is at Frankfurt Airport. From 2001, the airport base in Munich is also the base for the airline. Lufthansa flies in 18 German and 202 international directions. The entire group serves over 400 destinations on five continents.