Top 10 Cleanest Cities in The World

10. Oslo - Norway
Oslo is the capital of Norway and most populous city in Norway. Oslo constitutes a county and a municipality.

Image Source: http://world-visits.blogspot.in/2013/11/oslo-norway-exhibition-place-for.html
9. Brisbane - Australia
Brisbane is the capital and most populous city in the Australian state of Queensland, and the third most populous city in Australia.

Image Source: http://blog.salamandatravel.com/brisbane-a-general-guide
8. Paris - France
Paris is the capital and most populous city of France. It is situated on the Seine River, in the north of the country, at the heart of the Île-de-France region.

Image Source: http://blog.tripadvisor.com/blog/2013/05/21/tripadvisor-names-2013-travelers-choice-destinations/
7. Freiburg - Germany
Freiburg im Breisgau is a city in Baden-Württemberg, Germany with a population of about 230,000 people. In the south-west of the country, it straddles the Dreisam river, at the foot of the Schlossberg.

Image Source: http://phoebettmh.blogspot.in/2011/12/germany-black-forest-schwarzwald-home.html
6. London - United Kingdom
London is the capital city of England and the United Kingdom. It is the most populous region, urban zone and metropolitan area in the United Kingdom.

Image Source: http://www.wallsave.com/wallpaper/1920x1080/united-kindom-bridge-ferris-wheel-london-kingdom-top-travel-lists-499084.html
5. Singapore
Singapore, officially the Republic of Singapore, is a sovereign city-state and island country in Southeast Asia. It lies off the southern tip of the Malay Peninsula and is 137 kilometres north of the equator.

Image Source: http://commons.wikimedia.org/wiki/File:Merlion_and_the_Singapore_Skyline.JPG
4. Wellington - New Zealand
Wellington is the capital city and second most populous urban area of New Zealand, with 397,900 residents. It is located at the southwestern tip of the North Island, between Cook Strait and the Rimutaka Range.

Image Source: http://newzealandexperience.co.nz/nz/index.php/80-cities/18129-wellington-city-nz
3. Kobe - Japan
Kobe, is the sixth-largest city in Japan and is the capital city of Hyogo Prefecture on the southern side of the main island of Honshu, approximately 30 km west of Osaka on the north shore of Osaka Bay.

Image Source: http://www.remotelands.com/destination/japan_13010812_Kobe
2. New York - USA
New York is the most populous city in the United States and the center of one of the most populous urban agglomerations in the world—the New York metropolitan area.

Image Source: http://wallpapersus.com/new-york-usa-2/
1. Helsinki - Finland
Helsinki is the capital and largest city of Finland. It is in the region of Uusimaa, located in southern Finland, on the shore of the Gulf of Finland, an arm of the Baltic Sea.

Image Source: http://frenzyofnoise.net/the-best-7-cleanest-and-most-wonderful-cities-in-the-world/helsinki-finland/