Possible Clues:

• 'The O.C.' setting
• Megalopolis with about 30 million people, for short
• The L.A. area and environs
• 14 Across' region, for short
• Pete Carroll's Pac-10 team
• The Trojans of the Pac-10, briefly
• Home of the O.C./Rancho P.V.
• USC, to some
• San Diego's area, informally
• Disneyland locale, briefly