Mount Sinai (also called Horeb) sits in the Sinai Peninsula. According to tradition, it is the mountain where Moses received the Ten Commandments from the Divine in the narrative of the Exodus.
GotQuestions.org+1 The mountain appears in Judaism, Christianity and Islam as a place of covenant, law, descent into revelation, and meeting with God.
Wikipédia The exact summit is debated, but the symbol holds. The encounter at Sinai transformed a people from bondage into a covenant-people.