Orjhar is situated on the left bank of Khauja, a tributary of Rapti of in District and Tehshil Balrampur. It may be identified with the celebrated ‘Purvarama’ or Eastern Monastery, built by Vishakha as seen by Fa-hien. Here,excavation has revealed a three –fold cultural sequence, starting from Kushan period(1st cent, AD) followed by Gupta and medieval periods.