It adjoins the Sea of Japan ( East Sea of Korea ) on the east and south .
Hwadae County is a county in southern North Hamgyong province , North Korea , with an area of about 460 km2 and a population of approximately 70,000 .
Hwadae County adjoins the Sea of Japan ( East Sea of Korea ) on the east and south .
Hwadae County is a county in southern North Hamgyong province , North Korea , with an area of about 460 km2 and a population of approximately 70,000 .