The objective of this article is to analyze ruins of Hoam and Danwol in Chungju and confirm their substances through the literature. First of all, bronze relics of the early Iron Age bronze in Chungju are telling the existence of Jinkuk(辰國) a second century B.C. And it was the high possibility that there was a powerful political force in Chungju of the Mahan Ages. Depending on the progress of the study if we can prove that the arthen ramparts of Hoam was built in the Unified Silla Period, it will help to resolve the position of the Jungwon capital.