Possible Clues:

• Parking in Indian city -- or Greek one
• Duke, one receiving unexpected help in ancient city
• Religious sanctuary of ancient Greece (with an Oracle)
• Oracle headquarters?
• Power needed in Asian city for site of ancient sanctuary
• Detective admits sorting out help in old informant's home?
• Old city, part of Pennsylvania's best-known metropolis
• I'd help out in place of oracle
• Ale supplier goes into business with Cheese and Meat Sanctuary
• Historic city — parking hard — food store must accept that