English III
Seoul has the largest population (10 million), followed by five major metropolitan cities. Busan, Incheon, and Daegu each has approxi- mately three million people. Cities with a popu- lation of more than one million include Daejeon, Gwangju, Ulsan, Suwon-si, Goyang-si, and Changwon-si. Seoul and the five metropolitan cities are connected with high-speed railways, while the other cities are connected with highways. Seoul and Incheon have relatively large populations, reflecting population concentration in the Seoul Metropolitan Area. Most cities in the Seoul Met- ropolitan Area are close to the circular road sys- tems (Outer Loop Expressway) or radiating road networks (the Gyeongin Expressway and Gyeo- ngbu Expressway), forming a satellite system with Seoul at the center. Recently, the southwest- ern satellite cities within the Seoul Metropolitan Area have grown rapidly, forming a megalop- olitan area. Many local cities are found close to major metropolitan cities or provincial capitals. In particular, the cities in Gyeongsangnam-do and Busan show a linear pattern along the Namhae Expressway.
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