Rehovot is a city in the Center District of Israel, about 10 kilometers south of Tel Aviv. According to the Israel Central Bureau of Statistics, at the end of 2014 the city had a total population of 118,891. Rehovot was established in 1890 by Polish Jewish immigrants on land purchased from a Christian Arab. In 1995, there were 337,800 people living in the greater Rehovot area. Excavations at Khirbat Deiran have revealed signs of habitation in the Hellenic and Roman periods and through the Byzantine period, with a major expansion to about 60 dunams during the early centuries of Islamic rule. Evidence of Jewish and possibly Samaritan occupants during the Roman and Byzantine periods has been found.