The term 'ORACLE SITE' can be broken down into two crossword solutions: DELPHI (6 letters) and DELOS (5 letters). DELPHI is an ancient Greek city located in the region of Phocis, on the slopes of Mount Parnassus. It was the site of the famous Oracle of Delphi, which was consulted by kings and rulers from all over the Mediterranean. DELOS is a small Greek island in the Aegean Sea, near the Cyclades islands. It was considered to be a sacred place in ancient Greece, and was the birthplace of the twin gods Apollo and Artemis.