Niihama is a city located in the eastern part of Ehime Prefecture, Japan. It has the third largest population in Ehime, behind the prefectural capital of Matsuyama and the recently expanded city of Imabari.
On February 1, 2010, the city has an estimated population of 125,711 and a population density of 536.54 persons per km². The total area is 428.86 km².
- Niihama, Ehime on Wikipedia