Possible Clues:

• Greek town, once home to the oracle, Pythia
• Oracle’s home
• Parnassian location's key character there
• Ancient temple, home to Greece's foremost Oracle
• I'd help reconstruction of this Greek city
• Location of Greek oracle guided retreating Greek character
• Parking in Asian city where one used to go for cryptic advice
• Location of an ancient oracle of Apollo
• Location of Oracle where I held out to maintain power
• Food store, pub fitted in old Greek precinct