was a

town A town is a human settlement. Towns are generally larger than villages and smaller than cities, though the criteria to distinguish between them vary considerably in different parts of the world. Origin and use The word "town" shares an ori ...

located in Kami District,

Kōchi Prefecture is a prefecture of Japan located on the island of Shikoku. Kōchi Prefecture has a population of 757,914 (1 December 2011) and has a geographic area of 7,103 km2 (2,742 sq mi). Kōchi Prefecture borders Ehime Prefecture to the northwest and ...

, Japan. As of June 2004, the town had an estimated

population Population typically refers to the number of people in a single area, whether it be a city or town, region, country, continent, or the world. Governments typically quantify the size of the resident population within their jurisdiction using a ...

of 4,440 and a

density Density (volumetric mass density or specific mass) is the substance's mass per unit of volume. The symbol most often used for density is ''ρ'' (the lower case Greek letter rho), although the Latin letter ''D'' can also be used. Mathematical ...

of 108.32 persons per km². The total area was 39.07 km². On March 1, 2006, Yasu, along with the towns of Akaoka, Kagami and Noichi, and the village of Yoshikawa (all from Kami District), was merged to create the city of Kōnan and no longer exists as an independent

municipality A municipality is usually a single administrative division having corporate status and powers of self-government or jurisdiction as granted by national and regional laws to which it is subordinate. The term ''municipality'' may also mean the go ...

. The port, Tei, is located in the south-east of the town and dates from the

Edo period The or is the period between 1603 and 1867 in the history of Japan, when Japan was under the rule of the Tokugawa shogunate and the country's 300 regional '' daimyo''. Emerging from the chaos of the Sengoku period, the Edo period was characte ...

, over 200 years ago. The port walls of the time have remained intact. The main industries of Yasu are fisheries and

farming Agriculture or farming is the practice of cultivating plants and livestock. Agriculture was the key development in the rise of sedentary human civilization, whereby farming of domesticated species created food surpluses that enabled peopl ...

. Local products include melons and various fruits. As of July 2004, Yasu Junior High School has an enrollment of 97 students between the ages of 12 and 15. As Yasu has no high school, graduating students will continue to high schools in the Kami Area, Aki (to the east) and Kōnan (to the west). The town merger, originally planned for 2005, was postponed because of the withdrawal of participating towns. Yasu did not withdraw but residents were not overly favorable to the merger. The merger into the new city of Konan took effect on March 1, 2006.

External links

Official website of Kōnan
Dissolved municipalities of Kōchi Prefecture Kōnan, Kōchi {{Kochi-geo-stub