Coordinates: 17°38â²45.09â³S 71°20â²43.13â³W 17.6458583°S 71.3453139°W -17.6458583; -71.3453139 Ilo is a port city in southern Peru, with some 58,000 inhabitants. It is the second city in the Moquegua Region and capital of the Ilo Province.