TUI is a multinational travel and tourism company based in Germany. It operates a wide range of services, including package holidays, hotel accommodations, and cruise lines. TUI is known for its tour operator brands, which offer vacation packages to various destinations around the world. The company also owns several airlines, such as TUI Airways and TUI fly, which provide flights to popular tourist locations. TUI focuses on sustainable tourism practices and aims to reduce its environmental impact while enhancing customer experiences through innovative travel solutions.