Most Middle Eastern countries (13 out of 18) are part of the Arab world. The most populous countries in the region are Egypt, Iran, and Turkey, while Saudi Arabia is the largest Middle Eastern country by area. The history of the Middle East dates back to ancient times, with the geopolitical importance of the region being recognized for millennia. Several major religions have their origins in the Middle East, including Judaism, Christianity, and Islam. Arabs constitute the majority ethnic group in the region, followed by Turks, Persians, Kurds, Azeris, Copts, Jews, Assyrians, Iraqi Turkmen, and Greek Cypriots.