Ortenau

48°28′23″N 8°00′11″E / 48.473°N 8.003°E / 48.473; 8.003

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The Ortenau, originally called Mortenau, is a historic region in the present-day German state of Baden-Württemberg. It is located on the right bank of the river Rhine, stretching from the Upper Rhine Plain to the foothill zone of the Black Forest. In the south, it borders on the Breisgau region, covering approximately the same area as the Ortenaukreis, a present-day administrative district with its centre at Offenburg.