TUI AG engages in the provision of tour, hotel and resort, and cruise services. It operates through the following segments: Northern Region, Central Region, Western Region, Hotels and Resorts, Cruises, and Other Tourism. The Northern Region segment includes tour operators, airlines and cruise business in the UK, Ireland and the Nordics. The Central Region segment comprises of the tour operators and airlines in Germany and the tour operators in Austria, Switzerland and Poland. The Western Region segment encompasses tour operators and airlines in Belgium and the Netherlands and the tour operators in France. The Hotels and Resorts segment covers all group-owned hotels and hotel companies of the TUI Group. The Cruises segment consists of Hapag-Lloyd Cruises and the joint venture TUI Cruises. The Other Tourism segment represents the French airline Corsair and, in particular, central Tourism functions such as the TUI Group's flight control and information technology departments. The company was founded in 1923 and is headquartered in Hannover, Germany.