Buz is a village and former municipality in Gjirokastër County, in southern Albania. Following the 2015 local government reform, it was incorporated as a subdivision of the municipality of Memaliaj rather than continuing as a separate municipality.
The population of Buz was recorded as 737 at the 2011 census. As a municipal unit, it comprises a group of villages: Buz itself, along with Kalemaj, Badër, Kurtjez, Golemaj, Arrëz e Vogël, Shalës, Xhafaj, Gllavë, Selckë, Selckë e Vogël, Komar and Bardhaj.
Buz is located in the Gjirokastër County region of southern Albania, within the administrative area of Memaliaj.