Moscow, (Russian: Moskva), Russia, the nation's capital and largest city. It lies on both sides of the Moscow River, in west-central European Russia.
Beijing, or Peking, China, the nation's capital and second largest city. It lies on the edge of the North China Plain in the northeastern part of the country, about 90 miles (145 km) inland from the Bo Hai, an arm of the Yellow Sea.
South Korea, a country of eastern Asia. It occupies the southern part of the Korean peninsula, between the Sea of Japan on the east and the Yellow Sea on the west.