Nakamachi is the biggest area with many shops, hotels and restaurants.
Kamidonya Museum is the public open traditional house which Meiji Emperor stayed. His room is still preserved.
Narai-juku Nakamachi (奈良井宿中町) is one of three residence of Narai-juku. There are many traditional Edo style houses which built in Edo period. It offers great walking around Edo period. Nakamachi is the center of Narai-juku. The houses of Nakamachi are mostly warehouses, therefore, there are many large and great houses remains.
Tourist Info.
There is parking and public restroom.
Access
0. at Shiojiri Station.
1. use JR Chuo Line to Narai (24 min.)
2. walk (20 min.)
30 min
New Wave Samurai Movie. 
映画好き集まれ！ 
Nakamachi is the biggest area with many shops, hotels and restaurants.
Kamidonya Museum is the public open traditional house which Meiji Emperor stayed. His room is still preserved.