Hái-san-kūn (海山郡; かいざんぐん) sī Tâi-oânJi̍t-pún thóng-tī sî-tāi ê chi̍t ê hêng-chèng-khu, tī 1920 nî siat-li̍p, lē-sio̍k-tī Tâi-pak-chiu. Hái-san-kūn ē-kha koán-hat Pang-kiô-ke, Eng-ko-ke, Sam-kiap-ke, Tiong-hô-chng, Thô͘-siâⁿ-chng kap chi̍t ê bô siat ke-chng ê Hoan-tē; nā tùi-chiàu chit-má ê hêng-chèng-khu chiū sī Sin-pak-chhī ê Pang-kiô-khu, Thô͘-siâⁿ-khu, Sam-kiap-khu, Eng-ko-khu, Chhiū-nâ-khu, Tiong-hô-khu kap Éng-hô-khu.