SegaWorld London was an indoor theme park located inside the London Trocadero in London, England. The venue opened in September 1996 and operated as a joint-venture between Chorion, then-owners of the Trocadero, and Sega. At 110,000 square feet, it was Sega's flagship location in Europe, became the first Sega theme park outside of Japan, and was claimed to be the largest indoor theme park in the world. The park was short-lived, lasting only three years in operation following poor reviews from launch and sustained business model management issues.