Mayor Park Won-soon
| Official Name | Seoul Metropolitan Government |
| Country | Republic of Korea - Asia |
| Population | 10.01 million (2014) |
| Area | 605.2 km² |
| Employees | 17125 |
| Participant Since | 2 September 2014 |
| Participation Type | Active |
| Representative | Mayor Park Won-soon |
| Next COE Due On | 4 July 2019 |