is an archaeological site which was once a major city founded around the 6th century BC, the oldest ruins of a city at Taxila. The oldest part of ruins, from the 5th and 6th centuries BCE, are believed to be the remains of Persian/Achaemenid Taxila. Later ruins are from the 4th century BCE, after the invasion of Alexander the Great, and the 3rd, during the time of the Maurya kings of India. There are also some ruins from after the Mauryan period.