Ochang is a eup located in Cheongju, Chungcheongbuk-do, It grew significantly into the Ochang Science Complex developed in the 2000s and was promoted to Eup in 2007. Ochang-eup has a population of 68,000 and has the largest population among the eup in Chungbuk. Since it is close to Jincheon, buses run frequently, Jeungpyeong and quite close, and of course, the exchange with downtown Cheongju is overwhelming. Ochang-eup is an independent living area with downtown Cheongju. A radiation accelerator will be installed in Ochang-eup. In fact, a garbage incinerator was almost built, but it was canceled because it hated the garbage incinerator so much that it was greatly opposed. Unlike Osong in the lower village, Ochang-eup does not have a railroad, but recently, it is working with Cheonan to build a railroad.