Sennen

Sennen [三年; せんねん] is a city located in Shinkō Prefecture. As of 2020, it has an estimated population of about 84,000.
== Economy ==
Sennen has a strong historical connection with soy sauce, alcohol and vinegar brewing, and remains one of the prefecture's top producers of pickled garlic or kyungo. Koronasa Aircraft Company established an aircraft production plant in Sennen in the 1960s. However, by the 1990s this was redeveloped into a heavy industrial zone, which included a chemical production plant. 
== Geography ==
Sennen is located on Shinkō's northern coastline, and borders five other settlements, including Danchō, Seidai and Kiyami.