The history of Palestine is the study of the past in the region of Palestine, generally defined as a geographic region in the Southern Levant between the Mediterranean Sea and the Jordan River (where Israel and the Palestinian territories are today), and various adjoining lands. Situated at a strategic point between Europe, Asia, and Africa, and the birthplace of Judaism and Christianity, the region has a long and tumultuous history as a crossroads for religion, culture, commerce, and politics. The Palestine region or parts of it have been controlled by numerous different peoples and regional powers, including the Canaanites, Amorites,Ancient Egyptians, Israelites, Moabites, Ammonites, Tjeker, Philistines, Assyrians, Babylonians, Persians, ancient Greeks, Romans, Byzantines, different dynasties of the Early Muslim period (Umayads, Abbasids, Seljuqs, Fatimids), Crusaders, Late Muslim dynasties (Ayyubids, Mamluks, Ottoman Turks), the British, Jordanians (1948–1967, on the "West Bank") and Egyptians (in Gaza), and modern Israelis and Palestinians. Other terms for the same area include Canaan, Zion, the Land of Israel, Southern Syria, Jund Filastin, Outremer, and the Holy Land.