Kōraku-en is a Japanese garden located in Okayama, Okayama Prefecture. It is one of the Three Great Gardens of Japan, along with Kenroku-en and Kairaku-en. Korakuen was built in 1700 by Ikeda Tsunamasa, lord of Okayama. The garden reached its modern form in 1863.
Niimi is a city located in northwestern Okayama Prefecture, Japan. As of March 31, 2017, the city has an estimated population of 30,583, with 12,857 households and a population density of 39 persons per km². The total area is 793.27 km². Niimi is located on the upper reaches of the Takahashi River.
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