10) La Tuque, Quebec, Canada
La Tuque, the city of Central Southern Quebec region of Canada is the tenth largest city of the world having an area of 29,696 square kilometers. It is located on Saint-Maurice River and has a population of 11,821 people (2006). The first language of about 95% people of the city is French.
9) Porto Velho, Rondonia, Brazil
8) City of Mount Isa, Queensland, Australia
9) Porto Velho, Rondonia, Brazil
The ninth largest city of the World is in Brazil. Porto Velho is the capital of Brazilian state, Rondonia and has an area of 34,082 square kilometers. The city is located on the border of Ronadonia and Amazonas, another state of Brazil. It has a population of over 425,000 people as per Brazilian Institute of Geography & Statistics (2010).
City of Mount Isa having area of 43,010 square kilometers is the eighth largest city of World. It is located in north west Queensland, Australia. City of Mount Isa has a population of 21,994 (2010) as per Australian Bureau of Statistics.
The seventh largest city of the world in terms of area is from one of the most populated countries of world, India. Leh is an Indian city with area of 45,110 square kilometers located in Ladakh, Indian administered Kashmir. It has a population of over 117,000 with Buddhists in majority (around 77%) according to the 2001 Indian census.
6) Wood Buffalo, Alberta, Canada
Wood Buffalo with the area of 63,343 square kilometers is the sixth largest city of the world. It is located in north eastern Alberta, Canada. It is the largest city of Canada in terms of area followed by La Tuque. Wood Buffalo has a population of around 52,000 people as per Statistics Canada (2006). The mother tongue of majority of its residents (85%) is English.
5) Corumbá, Brazil
The fifth largest city of the world is Corumbá having area of 65,000 square kilometers. It is located in Mato Grosso do Sul state of Brazil. Corumbá is the westernmost and northernmost city of Mato Grosso do Sul and has a population of 96,434 (2006).
4) Chongqing, China
Chongqing is the fourth largest city of the world with an area of 82,400 square kilometers. It is one of the major cities of Southwest China and is also one of the five national central cities of China. The population of thsi Chinese municipality is 28.84 million people (2010).
3) City of Kalgoorlie-Boulder, Western Australia, Australia
The third largest city of the world with an area of 95,575 square kilometers is Australian City known as City of Kalgoorlie-Boulder. It is located in Goldfields-Esperance region of Western Australia and is the largest city of the country.
2) Altamira, Pará, Brazil
The largest city of the world is in the most populated country of the world. Jiuquan is a Chinese city with an area of 167,996 square kilometers, largest of any city in the world. It is located in westernmost region of the Chinese province called Gansu. Jiuquan has a population of around 1 million people (2002 census).
Source : http://topoflists.com/2011/07/26/largest-cities-world-area/