Oin Junior and Senior High School

Toyo Gakuen University (東洋学園大学, Tōyō Gakuen Daigaku), also known by the acronym TGU, founded in 1926, is a small private college located in the greater Tokyo area of Japan. The university has two campuses. The original campus, which presently houses the School of Business Administration, is located in downtown Tokyo, in Hongō, Bunkyō Ward. The school also has a larger campus in the city of Nagareyama, in Chiba Prefecture, about an hour away from the main campus by train. The Nagareyama campus is the home for TGU's Faculty of Humanities.

Tokyo Dome City Hall is a facility for sport, fashion show, circus, and live music, located in Tokyo, inside of Tokyo Dome City. It is on the opposite corner of the Tokyo Dome, and hosts a variety of events at any given time, including boxing and live concerts. Naming rights of the hall was purchased by Japan Credit Bureau (JCB), a credit card company, so it opened as JCB Hall, from March 19, 2008 to March 30, 2011. The building, also known as Mitsupoto (Meets Port) hall, is a commercial facility. JCB Hall is the underground portion of the Mitsupoto complex, and it is the primary location for most of the larger events that take place live. Many bands/artists have played the venue, including Coldplay in 2014, for one of the dates on their Ghost Stories Tour. It is host to the Animax Anison Grand Prix anime song music competition. TDCH hosted Tougeki – Super Battle Opera several times. Although most of the sporting events take place at the Tokyo Dome, the JCB Hall is considered one of the primary spots in Tokyo Dome City for smaller scale sporting events, like boxing, pro-wrestling, lethwei and some mixed martial arts. It also is going to be the future site of most small scale circuses. There are also a variety of food choices available on multiple floors of the complex. also arena hosted Miss International Japan 2017 on October 25, 2016 also hosted Miss International 2016 on October 27, 2016, Miss International 2017 on November 14, 2017, Miss International 2018 on November 9, 2018 and Miss International 2019 on November 12, 2019. AKB48 members Aki Takajo and Mariya Nagao held their "joint" graduation concert there on March 21,2016.

Tokyo Dental College Junior College (東京歯科大学短期大学, Tokyo Shika Daigaku Tanki Daigaku) is a private junior college in Chiyoda, Tokyo, Japan. It was founded in 1949 as a vocational school under the management of Tokyo Dental College. It was re-established as a junior college on August 31, 2016.

Suidōbashi Station (水道橋駅, Suidōbashi-eki) is a railway station which straddles Tokyo's Chiyoda and Bunkyō wards, operated jointly by East Japan Railway Company (JR East) and Tokyo Metropolitan Bureau of Transportation (Toei).

Tokyo Dome City Attractions (東京ドームシティアトラクションズ, Tōkyō Dōmu Shiti Atorakushonzu) is an amusement park located next to the Tokyo Dome in Bunkyō, Tokyo, Japan, and forms a part of the Tokyo Dome City entertainment complex. It opened in 1958, and was formerly known as Korakuen Amusement Park (後楽園ゆうえんち, Kōrakuen Yūenchi) until April 2003. It was one of the most popular amusement parks in Tokyo. Rides include the Big O Ferris wheel and Thunder Dolphin roller coaster.

Korakuen Stadium (後楽園球場, Kōrakuen Kyūjō) was a stadium in Tokyo, Japan. Completed in 1937, it was originally used for baseball, and was home to the Yomiuri Giants for nearly 50 years. For various periods of time, it was also the home stadium of six other professional Japanese baseball teams, including the Mainichi Orions, the Kokutetsu Swallows, and the Nippon Ham Fighters. Korakuen was the home of the Intercity Baseball Tournament for nearly 50 years. It originally hosted the Japanese Baseball Hall of Fame. In the 1970s and 1980s Korakuen was also used as a concert venue for superstar performers. The ballpark had a capacity of 50,000 people.

The Nihon Ken Hozonkai (日本犬保存会, The Association for the Preservation of the Japanese Dog), commonly abbreviated to Nippo, is a preserver and maintainer of the registries for the six native Japanese dog breeds: the Akita Inu, Hokkaido, Kai Ken, Kishu, Shikoku, and Shiba Inu. Nippo also issues the Nippo Standard, which serves as a breed standard for the six native breeds.

The Ishikawa Takeyoshi Memorial Library (石川武美記念図書館, Ishikawa Takeyoshi Kinen Toshokan) is a private library in Chiyoda, Tokyo, Japan. The library first opened in December 1947 as the Ochanomizu Library (お茶の水図書館), for the exclusive use of women; men have been admitted since its reorganization in October 2003. The library is named after Ishikawa Takeyoshi (1887–1961), founder of Japanese publishing house Shufunotomo, who, in 1941, established the predecessor of today's Ishikawa Takeyoshi Memorial Library General Foundation (一般財団法人石川武美記念図書館), the change in name and legal form occurring in 2013.Since the 2003 reorganization, the library has had two sections, the Library of Modern Women's Periodicals (近代女性雑誌ライブラリー) and the Seikidō Bunko (成簣堂文庫), which specializes in classical Japanese literature and includes the Chikuhakuen (竹柏園本) and Mutō (武藤本) Collections.

Big O (ビッグ・オー, Biggu ō) is a centerless non-rotating Ferris wheel at Tokyo Dome City in Bunkyo, Tokyo, Japan.Big O has a diameter of 60 metres (200 ft), and was listed as the world's largest centreless Ferris wheel by Guinness World Records in 2006. Joysound karaoke machines were added to eight of its forty gondolas in August 2017. Tokyo's largest roller coaster, the 130 kilometres per hour (81 mph) Thunder Dolphin, passes through the centre of the wheel.

The Tokyo Waterworks Historical Museum (東京都水道歴史館, Tōkyōto suidō rekishikan) is a public museum in Tokyo, Japan. It is the history museum for the development of the freshwater supply and distribution in Tokyo. The museum was opened on 15 April 1995. The museum consists of two exhibition floors and a library on the third floor. It is located in Hongō next to the Hongō Water Supply Station Park. Admission is free.

Kanda-Sarugakuchō (神田猿楽町) is a district of Chiyoda, Tokyo, Japan, consisting of 1-chōme and 2-chōme. As of March 1, 2007, its population is 656. Note that the Shibuya ward also has a district with the same name. Kanda-Sarugakuchō is located on the north part of Chiyoda. It borders Kanda-Surugadai to the north and east, Kanda-Ogawamachi to the south, Kanda-Misakichō, and Nishi-Kanda and Kanda-Jinbōchō to the west. The Kinka-dōri Ave forms its western boundary. A commercial district, Kanda-Sarugakuchō is also home to several educational institutions. The district has been renamed Kanda-Sarugakuchō, which had been used before the enforcement of the addressing system modernization.

Juntendo University (順天堂大学, Juntendō Daigaku) is a private university in Japan. Its headquarters are on its campus in Bunkyo, Tokyo, for the School of Medicine and in Inzai, Chiba, for the School of Health and Sports Science. The university was established in 1838 for medical and in 1946 for other departments. It is nicknamed Jundai.