FUN AND NERDY FACTS ABOUT TOKYO:

- Tokyo is officially not a city. It is a metropolis.

- Central Tokyo is made up of 23 special wards called 'ku'

- It is currently the most populous metropolitan area in the world

- The greater metropolitan population is over 37 million

- The population of 23-ku (central) Tokyo is 9 million

- Tokyo is one of the three economic powerhouse cities of the world along with New York and London

- The former name of Tokyo is Edo. It was changed to 'Tokyo' in 1868 when it became the new imperial capital

- Tokyo means 'East Capital' in relation to the former imperial capital of Kyoto located west of Tokyo

- Tokyo has never been officially designated the capital of Japan. It became the defacto capital when the imperial court moved to the city from Kyoto in 1868. 

- Tokyo Skytree is, at the moment, the second tallest structure in the world at 634 m (2,080 ft) high, and the upper observation deck is 450 m (1,476 ft) high

- During the height of the Bubble Economy of the '80s, the grounds of the imperial palace in the middle of central Tokyo was rumored to be valued at more than the real estate of the entire state of California

- Japan is home to the oldest monarchy in the world; around 2,600 years old

- Shinjuku Station is the busiest train station in the world. Over 3.5 million people use it every day