Tongjin
Tongjin refers to a historical geographical area located in what is now South Korea. It was a significant administrative unit during the Joseon Dynasty, a period of Korean history lasting from 1392 to 1897. The exact boundaries and administrative status of Tongjin may have varied over time, as was common with such divisions in pre-modern Korea.
Historically, Tongjin was part of the Gyeonggi Province, which surrounds the capital city of Hanyang (modern-day
The name "Tongjin" itself may offer clues to its origin or significance, with "Tong" potentially relating to