
1) Hilltown in Sicily 2) Massacre in Italy 3) World Heritage Site in Italy
Found on
https://www.crosswordclues.com/clue/modica

Latin, meaning: moderate, within bounds, limited, undistinguished.
Found on
http://archives.nd.edu/mmm.htm

town, southeastern Sicily, Italy, at the confluence of two mountain torrents on the south margin of the Monti (mountains) Iblei, just south of Ragusa ...
Found on
http://www.britannica.com/eb/a-z/m/106

moderate, within bounds, limited, undistinguished.
Found on
https://www.math.ubc.ca/~cass/frivs/latin/latin-dict-full.html
No exact match found.