This is a Shogun's castle called Matsumoto Jyo (Matsumoto Castle).
Located in the city Matsumoto.
This I think is the best in the collection, its Nagoya Jyo (Nagoya
Castle), seen from the park entrance.
Osaka Jyo (Osaka Castle), scene with cherry tree blossoms surrounding
it.
This a photo taken at Nakagusuku Castle in Okinawa Japan. (from
Lawrence Traub
<larryt@earthlink.net>)