It is the second largest city in Korea and the number one trading port. The east and south face the sea, the west faces Jangyu-dong and Changwon-si Jinhae-gu, the north faces Mulgeum-eup of Yangsan-si and Daedong-myeon of Gimhae-si, and the east faces Seosaeng-myeon and Onyang-eup of Ulsan City. As the gateway to the southeastern tip of Korea, it is about 450 km southeast of Seoul and about 250 km away from Shimonoseki, Japan along the Korea Strait. It consists of 15 districts in District 1, and the area is 765.94 km2. The city hall is located at 1000 Yeonsan 5-dong, Yeonje-gu, Busan. It was opened in 1876 and mainly traded with Japan. Afterwards, during the Korean War, it served as a port for war supplies, and at this time many refugees lived and served as a temporary capital. Along with the Gyeongin Industrial Zone, it became the central city of the Namdong Seaside Industrial Zone, one of the two major industrial zones, and formed the Busan region comparable to the Seoul region. Although the area of direct influence can be seen as the whole of Gyeongsangnam-do, the indirect influence is affecting the whole country due to the development of the transportation network, so cities such as Seoul, Daegu, Ulsan, Changwon, Jinju, Sacheon, and Tongyeong are close in industry and culture. are having a relationship Pohang City, Gyeongju City, Jeju Special Self-Governing Province, and Yeosu City are also affected. As Korea's number one trading port, it has become one of the world's leading ports on the Pacific coast thanks to its natural conditions and the rapid development of the domestic economy. There are domestic passenger ships to Jeju Island, and regular ferry services to Shimonoseki, Japan for international flights, and regular passenger ships to Fukuoka, Izuhara, Hitakatsu and Osaka. International air routes are connected to Tokyo, Osaka, Shanghai, and Beijing by air routes. The flower that symbolizes poetry is the camellia, the tree is the camellia, and the bird is the seagull.