Oberdreis is a municipality in the district of Neuwied, located in the northern part of the federal state of Rhineland-Palatinate, Germany.

Oberdreis is situated on the northeastern edge of the Rhein-Westerwald Nature Park, slightly removed from major transportation routes.

The municipality includes the districts of Lautzert and Dendert, as well as the residential areas Guter Trunk Marie (a former quarry known as 'Tonzeche') and Sonnenhof.

[6] The site also houses the grave of Paul Deussen, a renowned philosopher and friend of Friedrich Nietzsche.

Oberdreis has invested in renewable energy with a 5.6-hectare photovoltaic plant, operational since 2011, generating enough electricity to power 170 households annually.