Peninsula in northeastern Egypt, bordered by the Gulf of Aqaba, an arm of the Red Sea, to the east, and the Gulf of Suez, another arm of the Red Sea, to the west.
Note: Sinai has been the scene of fighting during the Arab-Israeli conflict. Israel conquered and occupied Sinai in the Six-Day War but returned the region to Egypt in 1982.
Note: In the Bible, Moses received the Ten Commandments on Mount Sinai.