Being one of the oldest Cities of India, Chennai holds a greater significance in terms of a valuable city.In 2014, it also bagged India Today’s best Indian city of the year based on dozen parameters.

Here are five interesting facts that establish it as one of the world’s best cities:

It is the 31st Largest metropolitan city in the world.

The only Indian city to feature among the Top 10 Best Cities to Travel in the World by Lonely Planet group.

New York Times ranked it among “52 places to go around the world” .

Chennai region has the oldest rocks in the country dating back to a billion years.

Started in 1687, Chennai is the second oldest corporation in the world after London.