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In page Frankfurt:

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Frankfurt Trade Fair (Messe Frankfurt) has the third-largest exhibition site in the world with a total of 578,000 m2 (6,220,000 sq ft). The trade fair premises are located in the western part between Bockenheim, the Westend and the Gallus district. It houses ten exhibition halls with a total of 321,754 m2 (3,463,330 sq ft) of space and 96,078 m2 (1,034,170 sq ft) of outdoor space.[citation needed]