Gaz. of PRC, 1990 (Tseng-ch‘eng hsien; Zengcheng Xian; ADM3, 2317' N, 11349' E)
Tseng-ch‘eng ching chi fa chan yen chiu, 1993 fwd. (Tseng-ch‘eng shih; 23°02′-23°34′N, 113°22′-114°03′E; in Kuang-tung sheng; Earlier name: Tseng-ch‘eng hsien, abolished in 1993 and replaced by Tseng-ch‘eng shih in the same year)