Da Vinci’s Last Supper was commissioned by Duke Ludovico Sforza for the refectory, a room used for communal meals, of the monastery of Santa Maria delle Grazie in Milan. In early 1494, Sforza had become the official Duke of Milan and he wanted to enhance his stature as well as create a mausoleum for himself and his family, so he commissioned da Vinci, a famous artist at the time, to paint this popular religious scene on the wall of this monastery.

Sources:

Leonardo da Vinci's Last Supper. (June 21, 2012). Retrieved from http://www.italianrenaissance.org/a-closer-look-leonardo-da-vincis-last-supper/

Issacson, W. (2017). The Last Supper. In Issacson, W, Leonardo da Vinci. (pp. 273-292). New York, NY: Simon & Schuster

Image Source:

Da Vinci, L. (1495). Study for the last supper. [Sketch]. Retrieved from https://www.leonardodavinci.net/study-for-the-last-supper-2.jsp