The greater "Keihin" area describes the landmass from where the buildings of Kanagawa merge into Tokyo, that spreads out over 4 surrounding cities to the North and East. The Keihin area is one of the developed world's largest metropolises, with over 30 million people living within 2 hours train ride of Ginza, Shibuya, or Shinjuku. So, as a foreigner, you might be forgiven for thinking that Tokyo is an easy place to...