The Rotterdam Ahoy Arena is a multi-purpose indoor venue located in Rotterdam, Netherlands. Opened in 1970, it has a seating capacity of around 16,000 for concerts and 13,000 for sports events. The arena hosts a variety of events, including concerts, sports competitions, and exhibitions. In addition to its main arena, the complex includes several smaller halls and meeting spaces. The Ahoy is known for hosting major events, such as the Eurovision Song Contest in 2021 and various international sporting events, making it a key cultural and entertainment hub in the region.