Merei is a commune located in the Muntenia region of Romania, situated within Buzău County. It serves as an administrative division composed of several distinct rural settlements.
The commune consists of eleven villages: Ciobănoaia, Dealul Viei, Dobrilești, Gura Sărății, Izvoru Dulce, Lipia, Merei, Nenciulești, Ogrăzile, Sărata-Monteoru, and Valea Puțului.