Saginomiya

Nakano (Japanese: 中野, Nakano-ku) is a special ward in the Tokyo Metropolis in Japan. The English translation of its Japanese self-designation is Nakano City (中野区, Nakano-ku).

As of January 1, 2024, the ward has an estimated population of 337,377, and a population density of 21,640 persons per km2. The total area is 15.59 km2. Nakano is the most densely populated city in Japan.

https://en.wikipedia.org/wiki/Nakano, Tokyo