Chungcheong Tō (Hân-kok-gí: 충청도/忠淸道 Tiong-chheng-tō) sī kó͘-chá Tiâu-sián Pat-tō ê kî-tiong chi̍t-, ūi-chāi Tiâu-sián Poàn-tó ê sai-lâm-pō͘, siú-hú tī hiān-kim-ê Gongju Chhī.

Chungcheong Tō ê ūi-tì.

1356 nî, siat-tì Chungcheong Tō. Chungcheong ê bêng-chheng sī iû Chungju kah Cheongju só͘ ha̍p-sêng.

Hiān-tāi, Chungcheong Tō í-keng hun-chòe Chungcheong Pak-tō kah Chungcheong Lâm-tō.