Kuan Han-ch'ing is a crater on Mercury. It has a diameter of 151 kilometers. Kuan Han-ch'ing is named for the Chinese playwright Guan Hanqing, who lived from 1241 to 1320. (wikipedia entry)
A crater is a circular depression likely created by an impact event. On Mercury they are named after deceased artists, musicians, painters, and authors who have made outstanding or fundamental contributions to their field and have been recognized as art historically significant figures for more than 50 years.
Image Source. Marker locations are approximate and may not always appear to align with image on map.