Pu-erh tea belongs to the post-fermented category of tea, primarily produced in the regions of Pu'er City, Lincang City, and Xishuangbanna Dai Autonomous Prefecture in Yunnan Province, China. It is one of the ten famous Chinese teas. Varieties of Pu-erh tea include compressed Pu-erh, Pu-erh green tea, Pu-erh black tea, Pu-erh yellow tea, Pu-erh dark tea, and Pu-erh white tea.