Jeddah is the largest city in Makkah Province and the second largest city in Saudi Arabia. It’s situated on the Red Sea coast. Jeddah is among the oldest of the world’s great cities and one of the most cosmopolitan. It is the country’s economic, transportation, and cultural centre. Since ancient times, Jeddah is renowned for influencing other cities around the world. It is famous for its astounding medieval buildings and modern structures that stand side by side to complement each other. Some of the places that make it famous include the amazing ancient buildings, King Fahd Fountain, Jeddah Corniche, Floating Mosque, and Jeddah Tower.

As per the 2017 General Authority for Statistics, Jeddah had a population of 3,430,697. Compared to other cities in Saudi Arabia, Jeddah is considered to be more diverse. The city's population is a mix of residents from various ethnicities and nationalities. According to the data, the majority of the population is Saudi Arabian, with a significant proportion of immigrants from countries such as Pakistan, India, and Egypt, among others. When it comes to religious beliefs, Jeddah is predominantly Muslim. Jeddah is also home to one of the most expensive streets in the world, Tahlia Street, and the tallest fountain in the world, King Fahd Fountain.

The city of Jeddah is administered by the Municipality of Jeddah, which is overseen by the Mayor of Jeddah. The Municipality is responsible for the city’s infrastructure, planning, maintenance, and sanitation. It is also responsible for economic and community development within the city. The current Mayor is Saleh Ali Al-Turki. The municipality's responsibilities also extend to areas such as education, healthcare, and social services, in cooperation with other governmental departments.

Jeddah has always been a commercial city and today enjoys the status of being one of the biggest city economies in the Middle East. The city thrives in trade and commerce and has a vibrant culture steeped in commerce. It has a significant contribution to Saudi Arabia's GDP. The size of its economy is larger than that of several Middle Eastern cities. The Port of Jeddah, also known as Jeddah Islamic Port, is the second-largest port in the Arab world and handles millions of tons of cargo every year.

Jeddah has taken significant steps in upgrading its infrastructure as part of Saudi Arabia's Vision 2030. The city is witnessing a boom in construction with projects like Jeddah Tower, which will be the world's tallest building once completed, and the New Jeddah Downtown, a multi-purpose project on the city's waterfront. The city is also investing in its transportation infrastructure with projects like the Jeddah Metro and the Haramain High-Speed Rail project. Despite these advancements, Jeddah faces challenges in areas such as water supply and waste management.