Capital of Korea

The Capital of Korea has been in many locations during the history of the Korean peninsula. Today there are two Koreas, each with its own capital city: 
Since the end of World War II, there have been two countries or divided Korea: If reunification were to take place someday, alternate prospects for the capital city, along with Seoul and Pyŏngyang,are Sejong City in South Korea and Kaesong in North Korea.
History.
The Go-Joseon period lasted from 2333 BC to 108 BC.
The Three Kingdoms period lasted from 57 BC to AD 676
The Goryeo Dynasty lasted from 918 to 1392.
The Joseon Dynasty lasted from 1392 to 1910.
The Japanese colonial period lasted from 1910 to 1945.