The Castellana 81 Fair is a leading event in Spain's trade fair scene, with an exhibition area of approximately 20,000 square meters. Historically, it has hosted technology, fashion, and gastronomy fairs, attracting thousands of visitors and exhibitors. Its importance lies in serving as a meeting point for professionals and companies, fostering networking and innovation. Furthermore, it contributes to local economic development, positioning Castellana 81 as a benchmark in the national trade fair calendar.