Arai House is traditional house located in Nagatoro, Saitama Prefecture. It was constructed over 250 years ago. Arai Family was one of the producer of silk. It takes the typical silk producers house in Nagatoro. This house was reconstructed 3 times and fully restored as it was used to be in 1975.
There is a museum located right next the house that also displays the folk tools and silk producing equipment of Edo period.