Kaisō District, Wakayama

Kaisō (海草郡) is a district located in Wakayama Prefecture, Japan.

As of September 1, 2008, the district has an estimated population of 10,988 and a density of 85.6 PD/km2. The total area is 128.31 km2.

Towns and villages

 * Kimino

Mergers

 * On April 1, 2005 the town of Shimotsu merged into the city of Kainan.
 * On January 1, 2006 the towns of Misato and Nokami merged to form the new town of Kimino.