QingdaoQingdao (tʃɪŋˈdaʊ , also spelled Tsingtao; , Mandarin: AUDzh-Qingdao.oggqing1dao3) is a city in eastern Shandong Province. The city's name in Chinese characters literally means "Cyan Island". Located on China's Yellow Sea coast, it is a major nodal city of the Belt and Road Initiative (BRI) that connects Asia with Europe. It has the highest GDP of any city in the province. Administered at the sub-provincial level, Qingdao has jurisdiction over seven districts and three county-level cities (Jiaozhou, Pingdu, Laixi).
JoseonJoseon (; tɕo.sʌn), officially Great Joseon (; tɛ.tɕo.sʌn.ɡuk̚), was the last dynastic kingdom of Korea, lasting just over 500 years. It was founded by Yi Seong-gye in July 1392 and replaced by the Korean Empire in October 1897. The kingdom was founded following the aftermath of the overthrow of Goryeo in what is today the city of Kaesong. Early on, Korea was retitled and the capital was relocated to modern-day Seoul. The kingdom's northernmost borders were expanded to the natural boundaries at the rivers of Amrok and Tuman through the subjugation of the Jurchens.
SeoulSeoul (soʊl, sʌul; Capital), officially known as the Seoul Special City, is the capital and largest metropolis of the Republic of Korea (South Korea). According to the 2020 census, Seoul has a population of 9.9 million people, and forms the heart of the Seoul Capital Area with the surrounding Incheon metropolis and Gyeonggi province. Considered to be a global city and rated as an Alpha – City by Globalization and World Cities Research Network (GaWC), Seoul was the world's fourth largest metropolitan economy in 2014, following Tokyo, New York City and Los Angeles.
UlsanUlsan (uɭ.s͈an), officially the Ulsan Metropolitan City, is South Korea's seventh-largest metropolitan city and the eighth-largest city overall, with a population of over 1.1 million inhabitants. It is located in the south-east of the country, neighboring Busan to the south and facing Gyeongju to the north. Ulsan is the industrial powerhouse of South Korea, forming the heart of the Ulsan Industrial District.
SangjuSangju (sha̠ŋ.dzu) is a city in North Gyeongsang Province, central South Korea. Although Sangju is rather rural, it is very old and was once a key city. Along with Gyeongju, it gives rise to half of the name of the Gyeongsang provinces. Sangju is nicknamed Sam Baek, or "Three Whites", referring to three prominent agricultural products rice, silkworm cocoons, and dried persimmons from the area. Sangju lies on the northwestern border of North Gyeongsang province, touching on North Chungcheong province.
Gyeongbu LineThe Gyeongbu Line (Gyeongbuseon) is a railway line in South Korea and is considered to be the most important and one of the oldest ones in the country. It was constructed in 1905, connecting Seoul with Busan via Suwon, Daejeon, and Daegu. It is by far the most heavily travelled rail line in South Korea. All types of high-speed, express, local, and freight trains provide frequent service along its entire length. In 1894–1895, the Empire of Japan and Qing China fought the First Sino-Japanese War for influence over Korea.
ChangwonChangwon (tɕhaŋ.wʌn) is the capital and largest city of Gyeongsangnam-do, South Korea (with a population of 1,025,702 ), and the 11th largest city of the country. A port city, Changwon is bordered by Masan Bay to the south, and the cities of Busan and Gimhae to the east. The city of Miryang lies to the northeast, and Jinju to the west. The region has been inhabited since the Bronze Age, and its urban areas have been renamed and re-organized many times throughout history.
Byeonhan confederacyByeonhan (, pjʌn.ɦan), also known as Byeonjin, (, pjʌn.dʑin) was a loose confederacy of chiefdoms that existed from around the beginning of the Common Era to the 4th century in the southern Korean peninsula. Byeonhan was one of the Samhan (or "Three Hans"), along with Mahan and Jinhan. This early part of the Three Kingdoms period is sometimes called the Proto–Three Kingdoms period. Byeonhan, like the other Samhan confederacies, appears to be descended from the Jin state of southern Korea.
