Is Cheongju Korea a country?

No. Cheongju is a modern city in Chungcheongbuk-do, South Korea. It is the capital of Chungcheongbuk-do, located in the middle of South Korea, 28 kilometers away from Seoul/KLOC-0. Qingzhou has a long history, with many ancient temples and relics, such as the famous Buddhist temples and stone Buddha temples. Cheongju is also one of the important educational and cultural centers in Korea, with many famous institutions of higher learning and scientific research.