Cologne the Central Franconian and Ripuarian dialect areas. The city's famous Cologne Cathedral ("Kölner Dom") is the seat of the Catholic Archbishop of Cologne. There are many institutions of higher education in the city, most notably the University of Cologne ("Universität zu Köln"), one of Europe's oldest and largest universities, the Technical University of Cologne ("Technische Hochschule Köln"), Germany's largest university of applied sciences, and the German Sport University Cologne ("Deutsche Sporthochschule Köln"), Germany's only sport university. Cologne Bonn Airport ("Flughafen Köln/Bonn") is Germany's seventh-largest airport and lies in the southeast of the city. The main airport for the Rhine-Ruhr region
Historical Archive of the City of Cologne Rhine-Westphalia is based on the "Archivgesetz des Landes NRW" bill of 1989. The municipal archive of Cologne is also governed by the municipal archive ordinance "Archivsatzung" (last revised in 2007). The federal "Bundesarchivgesetz" bill does not apply. An early programme of holding archival records in Cologne was the so-called "Schreinswesen" (shrine system), used for documenting citizens' rights. A "Schrein" (shrine, from Latin "scrinium") was a wooden chest or cabinet where parish administrations stored records and charters. Such shrines were used for records storage throughout the Middle Ages and into early modern times, most notably in the parish of St. Lawrence