We introduce tourist attraction including historic spot "watching" 
We introduce restaurant information "eating" 
We introduce art museum or park which "learn, and are idle" 
We introduce souvenir shop and satelite shop "buying" 
We introduce "staying" hotel information 
Under "mutter sightseeing" to murmur sightseeing information on Twitter every day delivery
  Sound guide "voice navigator" around the Imperial Palace to listen to with cell-phone

Chiyoda Free Wi-Fi SPOT

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Around Imperial Palace, Marunouchi, Hibiya

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nichihitani*chin* (Uchi-Saiwaicho Station)

Hibiya Matsumoto tower (Hibiya Station)

Nanko rest house (Niju-bashi Bridge Station)

Imperial Hotel Imperial buffet Sarh (Hibiya Station) 

Hotel French restaurant apple dadan (Tokyo Station) in one of circle

Grape (Tokyo Station) of shokusaikembiya  

People person RENRENREN (Tokyo Station) 

Tea mountain black bicafe & Delhi Hibiya chanter shop (Hibiya Station) 

Cafe a; la tiennu (Hibiya Station)  

Ginza skylounge (Yurakucho Station)