The East Japan Railway Company is a major passenger railway company in Japan, the largest of the seven Japan Railways Group companies. The company name is officially abbreviated as JR-EAST or JR East in English, and as JR Higashi-Nihon in Japanese. The company's headquarters are in Yoyogi, Shibuya, Tokyo, next to Shinjuku Station. It is listed in the Tokyo Stock Exchange, is a constituent of the TOPIX Large70 index, and is one of three Japan Railways Group constituents of the Nikkei 225 index, the others being JR Central and JR West.

Shibuya is a special ward in the Tokyo Metropolis, Japan. A major commercial and finance center, Shibuya houses two of the busiest railway stations in the world, Shibuya Station and Shinjuku Station. As of January 1, 2024, Shibuya Ward has an estimated population of 230,609 in 142,443 households and a population density of 15,262.01 people per km2. The total area is 15.11 km2. Notable neighborhoods and districts of Shibuya include Harajuku, Ebisu, Omotesandō, Yoyogi and Sendagaya. "Shibuya" is also commonly used to refer to the area surrounding Shibuya Station, an area known as a major center for Japanese fashion and youth culture, and one of Tokyo's most popular nightlife areas.