Jeddah. Jeddah is the holiday city of Saudi Arabia Jeddah, is a city in the Tihamah region on the coast of the Red Sea and is the major urban center of western Saudi Arabia.eddah is the principal gateway to Mecca, Islam's holiest city, which able-bodied Muslims are required to visit at least once in their lifetime. It is also a gateway to Medina, the second holiest place in Islam.