Sega World, sometimes stylized as SegaWorld, is a formerly international chain of amusement arcades and entertainment centers created by Sega.

Sega Corporation is a Japanese multinational video game company headquartered in Shinagawa, Tokyo. Its international branches, Sega of America and Sega Europe, are headquartered in Irvine, California, and London. Its division for the development of arcade games and home video games, Sega Games, has existed in its current state since 2020; from 2015 to that point, the two had made up separate entities known as Sega Games and Sega Interactive Co., Ltd. Sega is a subsidiary of Sega Sammy Holdings. From 1983 until 2001, Sega also developed video game consoles.