Tokyo Station serves over 450,000 passengers every day. On the Marunouchi side, the red brick Marunouchi Station building has become a Tokyo landmark. Tokyo Station's 28 platforms make it one of Japan's largest stations. First-time visitors to the station may be surprised by the complexity of the station's structure and the number of people within.
The area is also a business district where working people come and go. Tokyo Station is known as a transportation hub in Japan, and many people ride in from other regions on buses and trains.
Before you go to the station for the first time visit their webside http://www.tokyostationcity.com/en/introduction/