城固 Traditional form: 城固 Pinyin (reading): Chénggù Definitions: Chenggu County in Hanzhong 漢中/汉中 ( Hànzhōng), Shaanxi Characters: 城 - castle, city, town; municipality 固 - to solidify; strength Traditional characters: 城 - castle, city, town; municipality 固 - to solidify; strength