Dongtan, Hwaseong
Dongtan () is a township in Hwaseong, Gyeonggi, South Korea, with many shops and restaurants. There are also 4 residential skyscrapers of 70-80 floors. They are collectively called Metapolis and contain a shopping mall. Dongtan also has the Suseo–Pyeongtaek high-speed railway (SRT) that goes from Suseo station to Jije station. The subway is  long as the third longest in the world. It also has the longest tunnel for a subway that goes at a speed of .

Dongtan Station will be the terminus of the first line of the GTX
higher-speed train which enters into service in March 2024.

References 

Planned communities in South Korea
Hwaseong, Gyeonggi
New towns started in the 2000s