Haeundae District is a district of Busan, South Korea. Haeundae has a population of about 423,000, the most populous district of Busan with 11.6% of the city population, and covers an area of 51.44 km² in eastern Busan. Haeundae became a division of Busan Metropolitan City in 1976 and attained the status of district in 1980.