most innovative city in Europe. In the 2008 World Knowledge Competitiveness Index, published by the Centre for International Competitiveness, Stockholm was ranked as the sixth most competitive region in the world and the most competitive region outside the United States. In the 2006 European Regional Growth Index (E-REGI), published by Jones Lang LaSalle, Stockholm was ranked fifth on the list of European cities with the strongest GDP growth forecast. Stockholm was ranked first in Scandinavia and second outside Central and Eastern Europe. In the 2007 European Cities Monitor, published by Cushman & Wakefield, Stockholm was ranked as the best Nordic city to locate a business. In the same report, Stockholm was ranked first in Europe in terms of freedom from pollution. In a 2007 survey performed by the environmental economist Matthew Kahn for the Reader's Digest magazine, Stockholm was ranked first on its list of the "greenest" and most "livable" cities in the world. In a 2008 survey published by Reader's Digest magazine, Stockholm was ranked fourth in the world in its list of the "world's top ten honest cities". In a 2008 survey published by the National Geographic Traveler magazine, Gamla stan (the old town) in Stockholm was ranked sixth on its list of rated historic places. In a 2008 survey published by the Foreign Policy magazine, Stockholm was ranked twenty-fourth on its list of the world's most global cities. In 2009 Stockholm was awarded the title as European Green Capital 2010, as the first Green capital ever in the European Green Capital Award scheme. In 2013, Stockholm was named the 8th most competitive city in the world by the Economist Intelligence Unit. In 2016 Stockholm was one of the cities with the most unicorn companies in the world. In 2019 Stockholm was awarded the World Smart City Award in the city category for its leadership of the European Smart Cities and Communities project GrowSmarter. Twin cities and towns Stockholm does not have any twin cities. See also Holmium – a chemical element named after Stockholm List of people from Stockholm Outline of Stockholm Ports of the Baltic Sea Stockholm syndrome References External links Stockholm—official website Stockholm Visitors Board—the official visitors' guide Selma Lagerlöf's account of the history of Stockholm, in Ch. VII of The Wonderful Adventures of Nils Capitals in Europe Coastal cities and towns in Sweden County seats in Sweden Metropolitan Stockholm Municipal seats of Stockholm County