Viewfinder competition: win a £150 hotel voucher

Revellers come to this small seaside town for the nightlife, and tourists flock to the white sandy beaches ... Photograph: Lookgalleria/Alamy

... and walk its extremely long boards ... Photograph: Vera Kailova/Alamy

... the more famous ones stay in its grand old hotel. Its neighbouring port city was the stage for one of the defining episodes in post-war history ... Photograph: Charles Tasnadi/AP

Name the town using the clues and four photos. This week’s winner will receive a £150 voucher from Hotels.com which can be used at more than 120,000 places to stay across the world, from quirky B&Bs to boutique hotels. Hotels.com customers get a night free for every 10 stayed with its rewards scheme. Email your answer by Thursday 16 Dec to viewfinder@observer.co.uk or send a postcard, with your address and phone number, to Viewfinder, The Observer, 90 York Way, London N1 9GU.
■ Last week’s answer was Prince Edward Island, Canada. The winner was Helen Widdowson from Osgathorpe, Leics. Photograph: PhotoBliss/Alamy