محافظة سلفيت
The Salfit Governorate is the largest olive oil producer in the Palestinian territories, producing 1,500 tons annually. Zaytoun, the Palestinian Olive Tree Association, is active with Palestinian Agricultural Relief Committees (PARC) in Salfit to improve the quality and sales of Palestinian Olive oil. Salfit is located just across a valley to the south of the Israeli settlement of Ariel and around 1/3 the population of Ariel, about midway between Nablus and Ramallah.