- Yanbu city is located on the Red Sea coast in the Al Madinah Province of Saudi Arabia. It is a major port and industrial city, known for its petrochemical industry, oil refining, and desalination plants. Yanbu is also a popular tourist destination, offering beautiful beaches, resorts, and historical sites such as the ancient city of Madain Salih. It is approximately 350 kilometers north of Jeddah and has a population of around 250,000 people.