Nishi-Ōmiya Station

Nishi-ku (西区, Nishi-ku) is one of ten wards of the city of Saitama, in Saitama Prefecture, Japan, and is located in the far western part of the city. As of 1 March 2021, the ward had an estimated population of 93,527 and a population density of 3200 persons per km². Its total area was 29.14 square kilometres (11.25 sq mi).

Saitama Sakae High School, also commonly known as Sakae High, is a private junior and senior high school located in Saitama-city, Saitama Prefecture. The school is known for its athletic activities and its broad field of study. Among the sports in which the school excels, the men's sumo and women's baseball clubs are recognized as some of the best in the country. Its badminton club is also particularly well known.

Kita-ku (北区, Kita-ku) is one of ten wards of the city of Saitama, in Saitama Prefecture, Japan, and is located in the northwestern part of the city. As of 1 March 2021, the ward had an estimated population of 148,935 and a population density of 8800 persons per km². Its total area was 16.86 square kilometres (6.51 sq mi).

Sashiōgi Station (指扇駅, Sashiōgi-eki) is a passenger railway station on the Kawagoe Line in located in Nishi-ku, Saitama, Saitama Prefecture, Japan, operated by East Japan Railway Company (JR East).

The Iruma River (入間川, Iruma-gawa), is a river in Saitama Prefecture, Japan. It is 63 kilometres (39 mi) long and has a watershed of 721 square kilometres (278 sq mi). The river rises from Mount Ōmochi in Hannō, Saitama and flows to the Arakawa River at Kawagoe, Saitama.

Saitama Prefecture (埼玉県, Saitama-ken) is a landlocked prefecture of Japan located in the Kantō region of Honshu. Saitama Prefecture has a population of 7,338,536 (January 1, 2020) and has a geographic area of 3,797 km2 (1,466 sq mi). Saitama Prefecture borders Tochigi Prefecture and Gunma Prefecture to the north, Nagano Prefecture to the west, Yamanashi Prefecture to the southwest, Tokyo to the south, Chiba Prefecture to the southeast, and Ibaraki Prefecture to the northeast. Saitama is the capital and largest city of Saitama Prefecture, with other major cities including Kawaguchi, Kawagoe, and Tokorozawa.

Omiya Law School (大宮法科大学院大学, Ōmiya Hōkadaigakuin Daigaku) is a graduate level law school in Saitama, Saitama Prefecture, Japan. The school closed in 2015.

Ōmiya Station (大宮駅, Ōmiya-eki) is a major interchange railway station in Ōmiya-ku, Saitama, Japan, jointly operated by East Japan Railway Company (JR East), Saitama New Urban Transit and private railway operator Tōbu Railway. It is the busiest JR East station in Saitama Prefecture.

Okubo water purification plant is a prefectural water purification plant located in Sakura-ku, Saitama City, Saitama Prefecture, Japan. The drinking water is supplied to about 3.8 million people in 15 cities and 1 town in the southern and western regions of Saitama prefecture. The maximum daily water supply capacity is 1.3 million cubic meters. Water is supplied to Saitama (excluding Iwatsuki Ward), Kawagoe, Kawaguchi, Tokorozawa, Hanno, Sayama, Warabi, Toda, Iruma City, Asaka, Shiki, Wako, Niiza, Fujimino, Fujimino, Miyoshi.

Ōmiya-shuku (大宮宿, Ōmiya-shuku) was the fourth of the sixty-nine stations of the Nakasendō. It is located in the Ōmiya ward and Kita ward of the present-day city of Saitama, Saitama Prefecture, Japan.

Kawagoe Sports Park Athletics Stadium (川越運動公園陸上競技場) is an athletics stadium in Kawagoe, Saitama, Japan. It is located within the Kawagoe Sports Park, which also includes a general gymnasium, and tennis courts.

Ikazuchi stable (雷部屋, Ikazuchi-beya), formerly known as Irumagawa stable from 1993 to 2023, is a stable of sumo wrestlers, part of the Dewanoumi ichimon or group of stables. It was set up in January 1993 by former sekiwake Tochitsukasa, who branched off from Kasugano stable. The first sekitori produced by the stable was Oyamato (also known as Shirasaki) in January 1994. As of February 2023 it had seven wrestlers.