Breaza is a town in Prahova County, in the Muntenia region of Romania. It is located in the Prahova Valley area of the Carpathian foothills, north of the county seat of Ploiești.
The town center developed from at least two former villages, Podu Vadului and Breaza de Sus, which were later merged. Today, ten villages are administratively part of the town: Breaza de Jos, Breaza de Sus, Frăsinet, Gura Beliei, Irimești, Nistorești, Podu Corbului, Podu Vadului, Surdești, and Valea Târsei.