Bad Oeynhausen is a spa town located in the East-Westphalia-Lippe region of North Rhine-Westphalia, Germany. It is situated on the southern edge of the Wiehengebirge mountain range within the district of Minden-Lübbecke.
The town is positioned near the larger cities of Bielefeld and Hanover. It is primarily recognized for its status as a spa destination.