Question: where can zheng be found?
Answer: Zheng (state) Zheng (/dʒɛŋ/; Chinese: 鄭; Old Chinese: *[d]reng-s) was a vassal state in China during the Zhou Dynasty (1046–221 BCE) located in the centre of ancient China in modern-day Henan Province on the North China Plain about 75 miles (121 km) east of the royal capital at Luoyang.