龍潯鎮 (Lêng-sîm-tìn) (龍潯鎮) 是 (sī)的廢縣 (Tek-hòe-koān)的 (ê)一个 (chi̍t-ê)鎮 (tìn),佇 (tī)縣 (koān)的南爿 (lâm-pêng),佮 (kah)北爿 (pak-pêng)的潯中鎮 (Sîm-tiong-tìn)共同 (kiōng-tông)組成 (cho͘-sêng)的廢縣的城關 (siâⁿ-koan)。