Eurostat's 'Urban Audit' splits the Frankfurt Rhine-Main region into four Larger Urban Zones (LUZ). These zones do exclude a number of districts in the metropolitan area.
Frankfurt Airport is the busiest airport by passenger traffic in Germany and one of the three busiest airports in Europe. Thereby, along with a strong railway connection, the area also serves as a major transportation hub.
Notable colleges and universities of applied sciences (Fachhochschulen) include: