Cheonan

Cheongju

Cheonan (Korean pronunciation: [tɕʰʌ.nan] ; 천안시, Cheonan-si), also spelled Ch'ŏnan, is a city in South Chungcheong, South Korea. Cheonan has a population of 666,417 (2018), making it the most-populous city or county in South Chungcheong, and the third most-populous city in the Hoseo region after Daejeon and Cheongju. Cheonan borders the Gyeonggi cities of Pyeongtaek and Anseong to the north, the South Chungcheong cities of Asan to the west and Gongju to the southwest, Sejong Special Autonomous City to the south, the North Chungcheong city of Cheongju to the south east and Jincheon County to the east. Cheonan has been called "the core city of [the] nation" due to its location 83.6 km (51.9 mi) south of the national capital, Seoul, in the northeast corner of South Chungcheong, serving as a transportation hub to the Seoul Capital Area and surrounding regions. Cheonan is connected to various freeways and railways including the National Highways 1 and 21, the Expressways 1-Gyeongbu and 25-Honam, and the city's Korail station serves the Gyeongbu Line and the Janghang Line, with services of the KTX. Cheonan is one of the furthest places from Seoul connected to the Seoul Subway Line 1.

Cheongju (Korean pronunciation: [tɕʰʌŋ.dʑu]) is the capital and largest city of North Chungcheong Province in South Korea.