Main Page | See live article | Alphabetical index Arai (新井市; -shi) is a city located in Niigata, Japan. As of 2003, the city has an estimated population of 27,596 and the density of 156.65 persons per km². The total area is 176.16 km². The city was founded on November 1, 1954. External Links Official website in Japanese\n This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.