The Tangier International Zone ( Minṭaqat Ṭanja ad-Dawliyya, , ) was a 373 sqkm international zone centered on the city of Tangier, Morocco, then under French and Spanish protectorate, under the joint administration of France, Spain, and the United Kingdom (later Portugal, Italy, Belgium, the Netherlands, Sweden, and the United States), that existed from 1924 until its reintegration into independent Morocco in 1956.