Historic Sites of Japan in the context of "Kōraku-en"

Historic Monuments of Ancient Nara is a UNESCO World Heritage Site consisting of eight places in the old capital Nara in Nara Prefecture, Japan. Five are Buddhist temples, one is a Shinto shrine, one is a Palace and one a primeval forest. The properties include 26 buildings designated by the Japanese Government as National Treasures as well as 53 designated as Important Cultural Properties. All compounds have been recognized as Historic Sites. The Nara Palace Site was designated as Special Historic Site and the Kasugayama Primeval Forest as Special Natural Monument. Tōdai-ji, Kōfuku-ji and the Kasugayama Primeval Forest overlap with Nara Park, a park designated as one of the "Places of Scenic Beauty" by the Ministry of Education, Culture, Sports, Science and Technology (MEXT). UNESCO listed the site as World Heritage in 1998.

Hagi Castle (萩城, Hagi-jō) is a Japanese castle located in the city of Hagi, Yamaguchi Prefecture, in the San'yō region of Japan. Built in 1604 at the beginning of the Edo period as the main castle of the Mōri clan, it served as the seat of the Chōshū Domain for over 250 years until 1863. It was demolished in 1874 shortly after the Meiji Restoration. Its ruins were designated a National Historic Site in 1924. Hagi Castle has been designed as a component of the Sites of Japan's Meiji Industrial Revolution: Iron and Steel, Shipbuilding and Coal Mining, which received UNESCO World Heritage Site status in 2015.

Gifu Castle (岐阜城, Gifu-jō) is a Japanese castle located in the city of Gifu, Gifu Prefecture, Japan. Along with Mount Kinka and the Nagara River, it is one of the main symbols of the city. The castle is also known as Inabayama Castle (稲葉山城, Inabayama-jō). It was designated a National Historic Site in 2011.

Hikone Castle (彦根城, Hikone-jō) is an Edo-period Japanese castle located in the city of Hikone, Shiga Prefecture, Japan. It is considered the most significant historical site in Shiga. The site has been protected as a National Historic Site since 1951. Hikone is one of only twelve castles in Japan with its original tenshu, and one of only five castles with buildings listed as National Treasures.

Katsuren Castle (勝連城, Katsuren jō; Okinawan: Kacchin Gushiku) is a Ryūkyūan gusuku fortification located in the city of Uruma, Okinawa Prefecture, Japan. It has been protected by the central government as a National Historic Site since 1972. In 2000, Katsuren Castle was designated as a UNESCO World Heritage Site, as a part of the Gusuku Sites and Related Properties of the Kingdom of Ryukyu.

Agena Castle (安慶名城, Agena jō; Okinawan: Agina Gushiku or Aginaa Gushiku) Ryūkyūan gusuku fortification located in the north of Agena district of Uruma, Okinawa, in former Gushikawa. It has been protected by the central government as a National Historic Site since 1987. The area around the castle is now used as Agena Park, which features a bullring within the former castle grounds.

Yoshida-Kōriyama Castle (吉田郡山城, Yoshida-Kōriyama-jō) was a Japanese castle located in Akitakata, Hiroshima Prefecture. It was also called Aki-Kōriyama Castle (安芸郡山城, Aki-Kōriyama-jō) from its location in former Aki Province. Its ruins have been protected by the central government as a National Historic Site since 1940.