Tuancheng, literally "Circular Wall", "Round Fort", or "Round City", may refer to:
Tuancheng Fortress (Chinese: t , s , p Tuánchéng Yǎnwǔtīng) in Beijing, China Tuancheng Island (t , s , p Tuánchéngdǎo) in Kunming Lake at the Summer Palace in Beijing, China Round City (t , s , p Tuánchéng), a former island in Beihai Park in Beijing, China Tuancheng Township (t , s , p Tuánchéngxiāng) in Lushan County near Pindingshan, Henan, in China