Jeddah (sometimes spelled Jiddah or Jedda ; ; or , ) is a city in the Hijaz Tihamah region on the coast of the Red Sea and is the major urban center of western Saudi Arabia. It is the largest city in Makkah Province, the largest sea port on the Red Sea, and the second-largest city in Saudi Arabia after the capital city, Riyadh. With a population currently at 3.4 million people, Jeddah is an important commercial hub in Saudi Arabia.