Bielefeld is a city located in the Ostwestfalen-Lippe region within the north-east of North Rhine-Westphalia, Germany. It serves as a significant urban center in the state, currently holding a population of 342,952 residents.
The city ranks as the most populous municipality in the administrative region of Detmold and is recognized as the 18th largest city in Germany. It functions as a key regional hub for its surrounding area.