Yayoi (弥生) is a neighborhood in Bunkyo, Tokyo. In 1884, when it was part of Tokyo City, it was the location of a shell mound where a type of pottery was discovered. The pottery became known as Yayoi, and eventually a period of Japanese history assumed the same name.
Map of Yayoi, Bunkyo, Tokyo 113-0032, Japan
Its population, not including non-Japanese citizens, is 1908. (Bunkyō City Hall statistics:)
References
Yayoi, Tokyo Wikipedia(Text) CC BY-SA