Located in Hanamigawa Ward, Chiba City, adjacent to Inage Ward and Mihama Ward. Hanajima Park features areas for observing aquatic plants and nature, a grassy park, and areas for viewing cherry blossoms. Also located here are Chiba City Hometown Farm and Hanamigawa Ikiiki Plaza. Historic sites include Koyasu Shrine, Kotokuin Temple, and Takeishi Castle. Tenpukuji Temple's Hanajima Kannon Temple, said to have been built in 709, is also located here. Famous people from Hanamigawa Ward, Chiba City, include Arashi's Masaki Aiba, manga artist Naoki Shigeno, Akifumi Otsuka, who played for the Japanese national team in the 2006 World Baseball Classic, and former professional baseball player Yukihiko Sato. The area is also the setting for manga such as Uchi no Daikazoku and Makuhari. The novel "Hanamigawa Hack" by Kazuyoshi Inami features a story about the Hanamigawa River.