Petra (Arabic: البترا, Al-Batrāʾ; Ancient Greek: Πέτρα), originally known as Raqmu to the Nabataeans, is a historical and archaeological city in the southern Jordanian governorate of Ma'an that is famous for its rock-cut architecture and water conduit system. Another name for Petra is the Rose City due to the color of the stone out of which it is carved.