Viewfinder competition: win a £150 hotel voucher Name the place and win a £150 voucher from Hotels.com, letting you stay at thousands of hotels worldwide Tweet Founded 750 years ago, 30 years before its more popular neighbour, this city was once the hub of production of a lucrative commodity. Photograph: Alamy Today, tourists are beginning to flock here for temples, treks, boat trips and access to more remote settlements. Photograph: Alamy A highlight of the calendar is a polo championship with a gigantic twist. Name the city. Photograph: Alamy 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 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, 26 January 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 Guimaraes, Portugal. The winner was Katie Hendry, from Watford, Kent. Photograph: Alamy