The Birthplace of Soy sauce- Yuasa town Preservation District for Groups of Traditional Buildings Yuasa is located about 40 minutes by local train from Wakayama city. It is famous for the birthplace of soy sauce, one of the key elements of Japanese dishes. Yuasa town flourishes from the 17th century to 19th century due to say sauce production, and the old townscapes have been well preserved until today. The townscapes are designated as the Important Preservation District for Group of Traditional Buildings (Judenken). Strolling around Yuasa town is something like adventure going back to old time and also discovering the power of regeneration. It is about a 15 minute walk from JR Yuasa station to the Preservation District. Along the way, you will pass Kumano Pilgrimage Route (in Domachi Dori). Yuasa has a rich history and tradition.