Ninomaru History garden (二之丸史跡庭園) is located in Matsuyama. It was used to be 2nd bailey of Matsuyama Castle. It was used to be the residential area of the lord of Matsuyama. There are many tea houses and Japanese gardens are restored as the original.
Tourist Info.
There are parking and restroom.
Admission: 100 yen for adult, 50 yen for kids.
Time: 9:00 to 17:00 (Feb. to Nov. 17:30 in Aug, 16:30 from Dec. to Jan.)
Access
0. at Matsuyama Station.
1. use street train to Kenchomae.
100 JPY
45 min
New Wave Samurai Movie. 
映画好き集まれ！ 
Ninomaru History garden is a Japanese garden located on the ruins of Ninomaru of Matsuyama Castle. Ninomaru, 2nd bailey, was used to be the residence of the lord of Matsuyama. Also, there is a center of government office in this place.
There are tea houses, Japanese gardens.
Official site: http://www.cul-spo.or.jp/ninomaru/index.html