Wikipedia
The Maimarktgelände ( English: May Market area) is an exhibition site located in Mannheim, Germany, which covers a surface of 210,000 m². It hosts the annual Mannheim May Market as well as open-air concerts and other events. Starting in February each year, 47 exhibition halls with a surface of 42,000 m² are developed on the apron of the site. With approximately 1,500 exhibitors and around 400,000 visitors annually, the Maimarktgelände is a major German regional exhibition.
The area has good transport connections because the Mannheim motorway interchange is nearby and the A 656 and the B 38a can be reached directly. The Mannheim Arena/Maimarkt stop on the Rhine-Neckar S-Bahn is 1,000 m away. The park area enclosure has 12,000 parking bays and on Sundays and holidays parts of the neighboring Mannheim City Airport is available with around a further 8,000 parking bays.