Dong District (literally east district) is a gu in central Busan, South Korea. It was one of the first 6 gu of Busan established in 1957.
Busan Station is located in Dong-gu.
Dong-gu has a status of sister localities with Gwangsan-gu in Gwangju and Zhifu District in Yantai City, China.
Dong-gu is divided into 4 legal dong, which altogether comprise 17 administrative dong, as follows:
Coordinates: 35°07′46″N 129°02′44″E / 35.1294°N 129.0455°E