Travelers are voting Osaka Castle, Chihaya Castle and Fushimi Castle as the best of 6 castles in Osaka. There are 7 castles in Otsu a city just 33 km from Osaka and 4 castles in Nishiwaki which is 35 km distant. The most popular of these are Nijo Castle in Otsu and Himeji Castle in Nishiwaki. You can find 26 castles in Kansai and 137 castles in the country of Japan. Our members favorite in Kansai is Nijo Castle and Himeji Castle is the top pick in Japan. Want more? Check out our map of castles in Osaka.