Gura Vitioarei is a commune in Prahova County, Muntenia, Romania. It is composed of five villages: Bughea de Jos, Făgetu, Fundeni, Gura Vitioarei, and Poiana Copăceni.
The commune is located in the north-central part of the county, in the sub-Carpathian area of the Teleajen River valley. It is crossed by the national road DN1A, which connects Ploiești and Brașov; it lies 26.1 km (16.2 mi) north the county seat, Ploiești, and 5.3 km (3.3 mi) south of the town of Vălenii de Munte. The Ploiești Sud–Măneciu railway also passes through the commune, which is served by the Făget Teleajen stop.
