Possible Clues:

• Northern French city
• What did you say in loo about port?
• Composer imbibes very English port
• French seaport
• What did you say in the loo about port?
• Her veal's cooked in port
• In general, hesitate having lost sight of English port
• Port the Spanish returned to possess across river
• France's second-busiest port
• Port in Normandy