Located in Chiyoda District, Tokyo, Japan, in the center of the Marunouchi business district, it is a composite station with two platforms: the upper and lower platforms. The lines currently in use are: Tohoku Shinkansen, Yamagata Shinkansen, Akita Shinkansen, Joetsu Shinkansen, and Nagano Shinkansen , Tokaido Line, Chuo Line (rapid), Sobu Line (rapid), Yokosuka Line, Keiyo Line, Yamanote Line, Keihin Tohoku Line, Narita Express, Tokaido Shinkansen, Tokyo Metro, Marunouchi Line (station code :M-17). Not only is it the starting point for many railway lines in Japan, it is also one of the major large stations in Tokyo. The main building of Tokyo Station, the "Tokyo Station Red Brick Station Building", is one of Japan's national important cultural properties. It was renovated to its current appearance in 2012, completely reproducing the original appearance of the Tokyo Station building 100 years ago.