Grand Hyatt Tokyo is located in the heart of Roppongi, known as Tokyo’s hub for business, commerce and entertainment. Grand Hyatt Tokyo is part of Roppongi Hills, one of Japan’s largest private urban redevelopment projects.Grand Hyatt Tokyo is located in the heart of Roppongi, known as Tokyo’s hub for business, commerce and entertainment. Grand Hyatt Tokyo is part of Roppongi Hills, one of Japan’