Shibuya cruze. Shibuya is a special ward in Tokyo, Japan. As of 2008, it has an estimated population of 208,371 and a population density of 13,540 people per km². The total area is 15.11 km². The name "Shibuya" is also used to refer to the shopping district which surrounds Shibuya Station, one of Tokyo's busiest railway stations. This area is known as one of the fashion centers of Japan, particularly for young people, and as a major nightlife area.