Shinjuku is a special ward in Tokyo, Japan. It is a major commercial and administrative centre, housing the Northern half of the busiest railway station in the world (Shinjuku Station) and the Tokyo Metropolitan Government Building, the administration centre for the government of Tokyo.
A guest house is a kind of lodging. In some parts of the world, guest houses are a type of inexpensive hotel-like lodging. In still others, it is a private home which has been converted for the exclusive use of guest accommodation.