Mastershausen is an Ortsgemeinde – a municipality belonging to a Verbandsgemeinde, a kind of collective municipality – in the Rhein-Hunsrück-Kreis (district) in Rhineland-Palatinate, Germany. It belongs to the Verbandsgemeinde of Kastellaun, whose seat is in the like-named town.GeographyLocationThe municipality lies in the Hunsrück near Frankfurt-Hahn Airport, roughly 5 km west of Kastellaun. Through the village runs the road from Buch past the ruin of Castle Balduinseck to Blankenrath.