Star Alliance is the world's first global airline alliance. Founded on 14 May 1997, it is headquartered on the grounds of Frankfurt Airport in Frankfurt, Germany, with a subsidiary management company in Singapore. Star Alliance is also the world's largest airline alliance by market share as of April 2024, with 17.4% of the market share, compared to 13.7% of SkyTeam and 11.9% of Oneworld.

Frankfurt Airport, German: Flughafen Frankfurt Main, is Germany's main international airport by passenger numbers, located in Frankfurt, Germany's fifth-largest city. In the German Aeronautical Information Publication, its name is Frankfurt Main Airport. The airport is operated by Fraport and serves as the main hub for Lufthansa, including Lufthansa CityLine and Lufthansa Cargo as well as Condor and AeroLogic. It covers an area of 2,300 hectares of land and features two passenger terminals with capacity for approximately 65 million passengers per year; four runways; and extensive logistics and maintenance facilities.