Nieder-Olm is a town in the Mainz-Bingen district in Rhineland-Palatinate, Germany. Until 5 November 2006 it was an Ortsgemeinde – a municipality belonging to a Verbandsgemeinde, a kind of collective municipality – but it was raised to town the next day. It is still the seat of the Verbandsgemeinde of Nieder-Olm, and functions as a middle centre in the region.

Rhenish Hesse or Rhine Hesse is a region and a former government district in the German state of Rhineland-Palatinate. It is made up of territories west of the Upper Rhine river that were part of the Grand Duchy of Hesse and its successor in the Weimar Republic, the People's State of Hesse from 1816 to 1945. The hilly countryside is largely devoted to vineyards, comprising the Rheinhessen wine region.