Məmməddərə (Armenian: Մարիամածոր Mariamadzor, Mamedadzor and Mamedazur) is a village in the Khojavend Rayon of Azerbaijan (de jure) and the Hadrut Province of the Nagorno-Karabakh Republic (de facto). During the Nagorno-Karabakh War, the village was occupied by the Armenian Army on October 2 1992.