The Piatra Craiului Mountains are a mountain range in the Southern Carpathians in Romania. Its name is translated as Kings' Rock or The Rock of the Prince. The mountain range is located in Brașov and Argeș counties; it is included in the Piatra Craiului National Park, which covers an area of 14,766 hectares (60 sq mi).

The Southern Carpathians are a group of mountain ranges located in southern Romania. They cover the part of the Carpathian Mountains located between the Prahova River in the east and the Timiș and Cerna Rivers in the west. To the south they are bounded by the Balkan mountain range in eastern Serbia.