In December 2000, UNESCO declared the historical center of Arequipa a World Heritage Site, stating the following:
"The historical center of Arequipa is an example of ornamented architecture, represents a masterpiece of the creative coalition of European and native characteristics. A colonial town challenged by the conditions of nature, the indigenous influences, the conquest process and evangelism as well as for a spectacular natural scenario."
Wikipedia https://en.wikipedia.org/wiki/Historic_Centre_of_Arequipa
Coordinates -16°23'35.975" N -71°32'4.419" E