Zurzach is a municipality in the district of Zurzach in the canton of Aargau in Switzerland. On 1 January 2022 the former municipalities of Bad Zurzach, Baldingen, Böbikon, Kaiserstuhl, Rekingen, Rietheim, Rümikon and Wislikofen merged into the new municipality of Zurzach.[1] It is the seat of the district. Bad Zurzach was previously known as Zurzach.