How old is petra in Jordan?

Petra, located in Jordan, is an ancient city that dates back to around 5th century BC, making it over 2,500 years old. It was the capital of the Nabataean Kingdom and is renowned for its rock-cut architecture and water conduit system. Petra became a UNESCO World Heritage Site in 1985 and is often referred to as the "Rose City" due to the color of its stone.