The capital city of Saudi Arabia is Riyadh. As the largest city in the country, Riyadh serves as the political, economic, and administrative center of Saudi Arabia. The city has witnessed rapid development and modernization in recent decades. It is often characterized by its mix of traditional and contemporary architecture, with numerous skyscrapers and infrastructure projects. Riyadh is the cultural heart of the country and hosts several important institutions, including government offices and educational facilities. Additionally, it plays a significant role in Saudi Arabia's economic activities, particularly in sectors like finance and commerce.