Al Lith is a city in the region of the Tihamah on the coast of the Red Sea, southwest of the Islamic holy city of Mecca, and south of the Miqat of Yalamlam. It is the fifth largest city in population in Mecca Province, and it is one of the large sea ports of the Kingdom of Saudi Arabia on the Red Sea. The population of Al Lith is over 20,800 people.