The Mecca Province, officially Makkah Province, is one of the 13 provinces of Saudi Arabia. It is the third-largest province by area at 153,128 km² (59,123 sq mi) and the most populous with a population of 8,557,766 as of 2017, of which 4,041,189 were foreign nationals and 4,516,577 were Saudis. It is located in the historic Hejaz region, and has an extended coastline on the Red Sea. Its capital is Mecca, the holiest city in Islam, and its largest city is Jeddah, which is Saudi Arabia's main port city. The province accounts for 26.29% of the population of Saudi Arabia and is named after the Islamic holy city of Mecca.