Hot spring

Dongnae District is a gu in northern Busan, South Korea. It has a population of about 300,000, and an area of 16.7 square kilometers. It was once a separate city, the principal port of southeastern Korea. Numerous historical relics are preserved in the area. Heosimcheong Spa, Asia's largest spa, is in Oncheon-dong.

Dongnae Station (Korean: 동래역; Hanja: 東萊驛) is a station of the Busan Metro Line 1 and Busan Metro Line 4 in Oncheon-dong and Myeongnyun-dong, Dongnae District, Busan, South Korea. The station is unrelated to the Dongnae Station of Korail.

Myeongnyun Station (Korean: 명륜역; Hanja: 明倫驛) is a station of Busan Metro Line 1 in Myeongnyun-dong, Dongnae District, Busan, South Korea.

Oncheonjang Station (Korean: 온천장역; Hanja: 溫泉場驛) is a station of Busan Metro Line 1 in Oncheon-dong, Dongnae District, Busan, South Korea.

Heosimcheong Spa (허심청) is said to be the largest hot spring fed spa in Asia.Located about 10 km north of downtown Busan, South Korea in its Dongnae district, it has facilities to accommodate 3000 guests on five floors. Known to have been bathed in by kings of Silla (57 BCE – 935 CE), the spring has been developed into a 4,300 m2 urban complex with 4 million visits a year.