From the Wikipedia page [1]
Oberkirch is a town in Western Baden-Württemberg, Germany about 12 km North-East of Offenburg and belongs to the Ortenaukreis district.
Oberkirch is twinned with Haverfordwest which is a town in Pembrokeshire, in the country of Wales in the United Kingdom, and Oosterzele, a town in Oost-Vlaanderen, in Belgium.