The city of Ariel is an Israeli settlement located north of the Palestinian town of Salfit on the West Bank, in the Biblical region of Samaria near the ancient village of Timnat Serah. Founded in 1978, its population as of 2004 is 16,414 http://www.cbs.gov.il/population/localities/localbycode2004.xls Population by city, Central Bureau of Statistics of Israel. (XLS file), including 7,000 immigrants from the former Soviet Union. http://www1.cbs.gov.il/shnaton55/st02_14.pdf Population and Density per sq. km in Localities Numbering above 5,000 inhabitants on December 31, 2003 It is the fifth largest settlement in the territories that Israel gained control from Jordan of as a result of the Six Day War in 1967.