Shibuya is a shopping and eating district popular with a lot of young Japanese and the center of Japanese youth culture and it shows.
Shibuya deserves a prize as the district with more two-storey televisions than any other area in the world.
Most of the action in Shibuya is in the hectic blocks to the northwest of the JR station. The best place to get oriented is the Hachiko exit, which opens onto the five-way "scramble crossing" under the giant video screen.
Shibuya has lots and lots of interesting shopping opportunities. It's the home of the huge Tokyu conglomerate (railways, department stores, hotels, housing developments), and thus practically every major store in the area has Tokyu in its name. PARCO, 0101, and 109 Building are the fashion leader of Japanese people. You will able to buy any kinds of latest Japanese fashionable outfit in those mall buildings. There are couple of huge book stores, party goods shops, and record stores.
The entertainment in Shibuya, there are movie theaters and electronics stores nearby, Karaoke, night clubs, Pubs, and Izakaya.
Shibuya is famous for its scramble crossing which is reportedly the world's busiest. It is located in front of the Shibuya Station Hachiko exit and stops vehicles in all directions to allow pedestrians to inundate the entire intersection. Three large TV screens mounted on nearby buildings overlook the crossing. The Starbucks store overlooking the crossing is also one of the busiest in the world. The 2003 American movie Lost in Translation featured a scene at the crossing. It was also featured in the 3rd installment of The Fast and the Furious
On the NorthWest side of Shibuya station, there is a popular meeting place with a statue of Hachiko the dog, while on the NorthEast side of Shibuya station there is another popular meeting place with a statue called "Moyai". The statue resembles a Moai statue, and it was given to Shibuya by the people of Niijima Island in 1980. Eighteen embassies are located in Shibuya.
(Reference: wikipedia, wikitravel)