Ilo's a port city in southern Peru. It's the largest city in the Moquegua Region and's the capital of the Ilo Province. History Puerto Ilo's a small port town (70,000 pop.) on the very southern coast of Peru. Before the arrival of the Spanish in the mid 16th, the area was populated by the Chiribaya people . The Conquistadores were given land grants by Charles V and brought olives to this area. Olive agriculture was the main crop and source of work until the early 20th. century. A small settleme… (More on Ilo)