Incheon is a major metropolitan city located in northwestern South Korea, adjacent to the capital city, Seoul. As one of the most significant port cities in the country, Incheon has played a crucial role in international trade and transportation. It is widely recognized for its advanced infrastructure, which includes the Incheon International Airport, one of the largest and busiest airports in the world, serving as a major hub for air travel within Asia and beyond. Geographically, Incheon is situated along the coast of the Yellow Sea, encompassing a number of islands, including the popular tourist destination of Yeongjong Island, where the Incheon International Airport is located, and Ganghwa Island, known for its rich historical heritage and natural beauty. The city also features the Incheon Free Economic Zone (IFEZ), which includes the high-tech business district of Songdo International City, designed to be a model for sustainable, smart-city living with cutting-edge urban planning and eco-friendly buildings. Historically, Incheon has been an important location. Its proximity to the Yellow Sea has made it a gateway for foreign influence and trade for many centuries. The city gained international prominence during the Korean War when, in September 1950, United Nations forces led by General Douglas MacArthur launched the Incheon Landing Operation, which turned the tide of the war in favor of the UN Coalition. Culturally, Incheon is home to a diverse population, with a variety of cultural and recreational facilities that reflect both traditional and modern Korean influences. The city hosts the Incheon Korean Music Wave and the Incheon Pentaport Rock Festival, attracting visitors and musicians from around the world. Chinatown, near Incheon Station, is another cultural highlight, well-known for its authentic Chinese cuisine and colorful architecture. Demographically, Incheon is the third most populous city in South Korea, after Seoul and Busan, with a varied population that includes not only ethnic Koreans but also a growing community of foreign residents. The city’s educational institutions, business opportunities, and cultural offerings make it an attractive place to live for both domestic and international populations. Incheon's commitment to sustainability and the environment is evident in its urban planning and energy policies. Through the development of smart-city technologies and green spaces such as Central Park in Songdo, Incheon is positioning itself as a leader in environmental consciousness. As a result of Incheon's ongoing growth and strategic importance, the city continues to evolve, serving as an economic powerhouse and a benchmark for urban innovation that maintains a strong connection to its history and cultural roots.