Otsu-e is also called Oiwake-e or Otani-e. Because it was sold around Oiwake and Otani located between the Yamashina district in Kyoto city and the east end of Otsu city in Shiga prefecture where used to be called Otsu-juku.
Otsu-juku was the most populous stage among the fifty-three stages of the Tokaido.
Today it takes 10 minutes from Kyoto to Otsu by train (JR Biwako line).But in the Edo era, it took travelers 2 or 3 hours on foot to travel the roughly 12 km.
The place where travelers from Kyoto and Otsu took a break saying "I'm tired" because of steep roads ofOsakaPass was Oiwake and Otani.
Otsu-e was sold as a specialty there.
Oiwake and Otani are like what is called a service station on the side of the highway.