With fewer than 150,000 residents, this lush agricultural island is regarded as the birthplace of its country … Photograph: AlamyPhotograph: All Canada Photos/Alamy… Many inhabitants are of Scottish descent, and a famous fictional daughter was a red-headed orphan…Photograph: Jonathan Littlejohn/Alamy… A national park just a few hundred metres wide in places protects dunes and cliffs on its northern shore. Name the island.Photograph: Danita Delimont/AlamyThis 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 and family bolt holes to boutique hotels. Hotels.com customers can get a night free for every 10 stayed with its rewards scheme. Email your answer by Thursday 9 December 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. Photograph: Classic Image/AlamyPhotograph: Classic Image/Action images