Seoul Today: A Look at the South Korean Capital

As of May 20, 2026, Seoul remains the vibrant heart of South Korea. Serving as both the national capital and the country’s largest city, it stands as a global hub of finance, manufacturing, and cultural influence. Situated along the Han River in the northwestern part of the nation, the city continues to evolve while maintaining its deep historical roots.

Historical Significance and Governance

Seoul’s history is extensive, dating back to 18 BC when it was established by the people of Baekje, one of the Three Kingdoms of Korea. It later rose to national prominence during the Joseon dynasty, when it was officially designated as the capital. Today, the city is governed as a Special Metropolitan City, with the Seoul Metropolitan Government and the Seoul Metropolitan Council overseeing its 25 districts.

The city’s leadership is currently headed by Mayor Oh Se-hoon, a member of the People Power party. With a robust legislative presence, the city is represented by 49 members in the National Assembly, reflecting its central role in South Korean politics.

Demographics and Economic Footprint

Seoul is a massive urban center. According to data from the final quarter of 2025, the city proper is home to over 9.5 million residents, characterized by a high population density. The broader metropolitan area is even more expansive, with a population exceeding 26 million people. This density supports a powerful economy; as of 2024, the nominal GDP for the special metropolitan city was recorded at $421.586 billion, with the metro area’s economic output significantly higher.

Key Takeaways

• Geographic Hub: Located on the Han River, the city serves as the administrative and economic center of South Korea.
• Population Density: With over 9.5 million residents in the city proper, Seoul remains one of the most densely populated metropolitan areas in the world.
• Historical Depth: The city’s foundations reach back to the ancient Three Kingdoms period, evolving through the Joseon dynasty into the modern metropolis seen today.
• Economic Power: The city contributes hundreds of billions of dollars to the national economy annually, driven by diverse sectors including finance and manufacturing.

Frequently Asked Questions

What is the official status of Seoul?

Seoul is classified as a Special Metropolitan City. It is the capital of South Korea and functions as the primary center for government, culture, and business in the country.

How large is the Seoul metropolitan area?

The Seoul metropolitan area covers approximately 12,685 square kilometers. It is a sprawling urban environment that houses more than 26 million people, making it a critical economic engine for the region.

Who currently leads the city government?

The city is led by Mayor Oh Se-hoon, who represents the People Power party.

As Seoul looks toward the future, it balances the preservation of its historical landmarks—such as the Deoksugung Palace—with the rapid development of modern infrastructure like the Lotte World Tower. Whether you are looking at its economic metrics or its long-standing cultural heritage, Seoul remains an essential subject for understanding contemporary East Asia.