Possible Clues:

• Urban? A cruciverbalist might see it!
• Not having a starter with meal can be nice in a problematic built-up area
• Urban area, part of target unknown movement backed
• Impoverished area — is it?
• Densely populated area, and a hint to the capitals in the starred answers
• Meal doesn't start near nice central part of the capital
• Metropolitan area
• Victor loses head going to Cork from centre of Dublin
• What redevelopment could make nicer: tiny downtown area
• Densely populated area ... or what 17-, 24-, 32-, 43- and 51-Across each have?