Hato Bus stand at Tokyo Station is the main departure point most of the tours guided in Japanese and also the departure point of the Open Top Sightseeing bus.
The stand is easily accesible from the JR Tokyo station Marunouchi South exit or from Keiyo underground Marunouchi exit.
Click here for more information and visual guide
Shinjuku Station East Exit
Hato Bus stop No. 2 is the main departure point.
It is easily accesible from East Exit of JR Shinjuku station.
Click here for more information and a visual guide