At Oldau station an industrial siding branched off eastwards to the Einigkeit II (Prinz Adalbert) potash works in Ovelgönne.
Prior to being elected to the Landtag, Korter was a teacher at Paddstock School in Ovelgönne.
It is situated approximately 27 km northeast of Oldenburg, and 40 km northwest of Bremen.
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Ovelgönne is a municipality in the district of Wesermarsch, in Lower Saxony, Germany.