1-10-3 Kojimachi, Chiyoda-kuTokyo, Japan 102-0083 Phone: +81 3-3263-2211Fax: +81 3-3263-2222 Hotel E-mailHotel Website Commission Rooms Rates 10% 303 $83-$137 (USD) Hoteliers! Is your information accurate? Update Here Diamond Hotel Location & Neighborhood In residential district, 10 min from downtown - 150 KM from Narita Intl airport.