It's the major fairground of the town and one among the most important in Europe. It is located during the Campo de las Naciones spot, near the Madrid-Barajas Airport. IFEMA has a wide variety of pavilions and exhibition spaces, where a lot of fairs and events from different sectors https://pasteldirectory.com/listings13047022/detailed-notes-on-empresas-de-montaje-de-stands-ifema-madrid-stand-assembly-companies-ifema-madrid