Statistics for occurrence #1 of “Delos” in book 9, chapter preface, section 13 of Vitruvius Pollio, The Ten Books on Architecture:

..., though they deserve our thanks for other discoveries, they are particularly worthy of admiration for their ideas in that field. For example, each in a different way solved the problem enjoined upon Delos by Apollo in an oracle, the doubling of the number of cubic feet in his altars; this done, he said, he inhabitants of the island would be delivered from an offence against religion.
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Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Delos (Greece) 390 2 0 0 0 user votes
Delos (Greece) 10 0 0 0 0 user votes
Delos (Virginia, United States) 6 0 0 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.