|• Mayor||Uwe Gaiser (Ind.)|
|• Total||73.04 km2 (28.20 sq mi)|
|Elevation||277 m (909 ft)|
|• Density||65/km2 (170/sq mi)|
|Time zone||CET/CEST (UTC+1/+2)|
In the 12th century an agricultural settling made up the village Noppenouwe, which succumbed to the House of Zähringen until 1218. After they have been died out, the dominance in the Rench-valley was fragmented. The in 1192 in Lierbach founded All Saints’ Abbey took a high political, cultural and religious influence to Oppenau at this time. In 1316 bishops from the french Strasbourg started reign about the Rench-valley.
In 1990, German politician Wolfgang Schäuble suffered an assassination attempt in Oppenau.