In 2010, Lonely Planet ranked Greece's northern and second-largest city of Thessaloniki as the world's fifth-best party town worldwide, comparable to other cities such as Dubai and Montreal. In 2011, Santorini was voted as "The World's Best Island" in ''Travel + Leisure''. Its neighboring island Mykonos, came in fifth in the European category. There are 18 UNESCO World Heritage Sites in Greece, and Greece is ranked 16th in the world in terms of total sites. 14 further sites are on the tentative list, awaiting nomination.