Fuuto is a fictional city in the Kamen Rider franchise, specifically featured in the series Kamen Rider W. It is known for its unique blend of urban life and supernatural elements, where the presence of Gaia Memories allows individuals to transform into powerful beings called Kamen Riders. The city is characterized by its distinct landmarks, such as the Futo Tower and the Windy Hill, which play significant roles in the storyline. Fuuto serves as a backdrop for various battles between good and evil, highlighting themes of justice and the consequences of power.