The Dongnaeeupseong Fortress is located on Dongnae-gu, Busan Metropolitan City, Republic of Korea. Traditionally in Korea, a wall-fortress was erected in each town to keep it safe from invasions. In this area called Dongnae, there were some borough-states after the Samhan period (the 1st century BC), Geochilsanguk, Chilsanguk, Jangsanguk and Dongnoguk states are told to have been included among these. It is believed that walls had been already built here at that time. However, the first mention about the Dongnaeeupseong Fortress that appears in historical records is that the wall was repaired in 1021, the twelfth year of the reign of Hyeonjong of Goryeo, King Hyeonjong of Goryeo Dynasty. Since the Japanese began their Japanese invasions of Korea (1592-1598), invasions into Korea on April 14, 1592, this Dongnaeeupseong Fortress, along with the Busanjinseong Fortress, became the first target by the Japanese. Siege of Dongnae ensued here, in which General Song Sang-hyeon and all the other officials, troops and common people lost their lives. The Fortress was repaired and expanded in 1713, extending its circumference to . It had four gates: Jihuiru (east), Simseongnu (west), Muuru (south), and Eunillu (north). A wing fortress was built upon the south gate and small fortifications were erected on the other three gates too. At present, there are some restored structures inside the wall, including the north gate with a fortification on its top, Dongjangdae and Seojangdae, and Bukjangdae, Insaengmun of Dongnae Eupseongji, Insaengmun (Gate), Chiseong wall and a fortified small wall surrounding a gate.

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{{DEFAULTSORT:Dongnaeeupseong Fortress Tourist attractions in Busan Castles in South Korea Culture of Busan City walls in South Korea Buildings and structures in Busan