Erbach (German pronunciation: [ˈɛʁbax] ⓘ) is an Ortsgemeinde – a municipality belonging to a Verbandsgemeinde, a kind of collective municipality – in the Rhein-Hunsrück-Kreis (district) in Rhineland-Palatinate, Germany.

Southeast of the village is the edge of the Binger Wald (Bingen Forest).

Erbach belonged to the Electorate of the Palatinate Altes Gericht (“Old Court”).

What follows is a table of the municipality's population figures for selected years since the early 19th century (each time at 31 December): The council is made up of 6 council members, who were elected at the municipal election held on 7 June 2009, and the honorary mayor as chairman.

[3] The following are listed buildings or sites in Rhineland-Palatinate’s Directory of Cultural Monuments:[4]