Viewfinder competition: win a £200 hotel voucher

The world's best cliff divers made the most of the "craggy" nature of this group of islands for the first time last year … Photograph: PR

The archipelago's stark beauty, wildlife and iron age remains draw thousands of visitors every summer … Photograph: PR

A new production of a play set here features a magical performance by a world-famous actor. Name the islands. Photograph: PR

This week’s winner will receive a £200 voucher from Hotels.com which can be used at more than 200,000 places to stay across the world, from quirky B&Bs and family boltholes to boutique hotels. Hotels.com customers can get a night free for every 10 stayed with its rewards scheme.
Email your answer by Thursday, 27 June to viewfinder@observer.co.uk or send a postcard, with address and phone number, to Viewfinder, The Observer, Kings Place, 90 York Way, London N1 9GU.

■ Last week’s answer was Szczecin, Poland. The winner was Paul Crawley of North Hykeham, Lincolnshire. Photograph: PR