Rohrberg is a municipality in the district of Eichsfeld, in the state of Thuringia, Germany. It belongs to the Verwaltungsgemeinschaft Hanstein-Rusteberg, a collective municipal association through which it shares administrative functions with neighbouring communities.
The village lies within the Eichsfeld, a historic region of central Germany that spans parts of Thuringia and Lower Saxony. Rohrberg is one of several small municipalities grouped under the Hanstein-Rusteberg administration, which takes its name from the nearby Hanstein Castle and the village of Rusteberg.