How Big Is Seoul?

Seoul Size Overview

Seoul covers an area of 605 km² (234 mi²) in South Korea, Asia. Capital of South Korea and a major tech hub. The city is often called "The Soul of Asia". To put this in perspective, Seoul is about 1.3x smaller than New York City.

With a population of 9.8 million (25.5 million in the metropolitan area), Seoul has a population density of 16,149 people per km². The greater Seoul metropolitan area extends to 11,704 km².

Seoul has a history stretching back to around 18 BC. The city is renowned for Gyeongbokgung Palace, Gangnam district, K-pop culture, and Korean BBQ.

Seoul has a humid continental climate, with summer temperatures averaging 25°C and winters around -3°C. The city's main public transit system is the Seoul Metro.