Gongseri Catholic Church is the main Catholic parish, which was built in 1894 on the hill of Gongseri, Inju-myeon that connects Asanman Bay to Sapgyocheon. Early missionaries landed here to begin their work. A common house was used as a church in the early years however, in 1897 a rectory was built and in 1922, the main church was created. This was the first church in Chungcheongnam-do and it was divided in different locations such as Gongju, Anseong, Onyang and Dunpo. The grounds have three graveyards of prosecuted martyrs, 4626 sq.ft. area parish and rectory, retreat house, meeting room as well as beautiful view of the green including an old zelkova tree.