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Itinerary for Tokyo (base of operations was Sakura Hotel Ikebukuro, Tokyo, Japan [Google Maps]):

2012/10/18 – Arrival, gpsstore.jp
2012/10/19 – Walking Tokyo/Geocaching Ikebukuro, Shinjuku
2012/10/20 – Yohohama
2012/10/21 – Owakudani (Hakone Region – Mt. Fuji)
2012/10/22 – Tokyo Skytree
2012/10/23 – Geocaching Fukushima, Sendai (bad weather day)
2012/10/24 – Odaiba
2012/10/25 – Tsukiji Fish Market, Asakusa (souvenir shopping)
2012/10/26 – Departure for Istanbul