The is the government of the Tokyo Metropolis, one of the 47 prefectures of Japan. The government consists of a popularly elected governor and assembly. The headquarters building is located in the ward of Shinjuku. The metropolitan government administers the 23 Special Wards of Tokyo (each governed as an individual city), as well as the other cities and towns that constitute the prefecture. With a population of more than 13 million living within its boundaries, and many more commuting from neighbouring prefectures, the metropolitan government wields significant political power within Japan.