Qalqilya or Qalqiliya is a Palestinian city in the West Bank which serves as the administrative center of the Qalqilya Governorate. In the 2017 census, the city had a population of 51,683. Qalqilya is surrounded by the Israeli West Bank wall, with a narrow gap in the east controlled by the Israeli military and a tunnel to the Palestinian town of Hableh. Qalqilya is under the administration of the Palestinian National Authority, while remaining under Israeli military occupation. Oranges are a major part of the city's economy.