Kainan, Wakayama

Kainan 海南市
City
Kainan City Hall
Flag Symbol
Location of Kainan in Wakayama Prefecture
Kainan Location in Japan
Coordinates: 34°9′N 135°13′E / 34.150°N 135.217°E / 34.150; 135.217Coordinates: 34°9′N 135°13′E / 34.150°N 135.217°E / 34.150; 135.217
Country	Japan
Region	Kansai
Prefecture	Wakayama Prefecture
Area
• Total	101.18 km2 (39.07 sq mi)
Population (October 1, 2016)
• Total	51,112
• Density	510/km2 (1,300/sq mi)
Time zone	Japan Standard Time (UTC+9)
Website	www.city.kainan.wakayama.jp

Kainan (海南市, Kainan-shi^?) is a city located in Wakayama Prefecture, Japan. The city was founded on May 1, 1934.

As of 2016, the city has an estimated population of 51,112 and a population density of 510 persons per km². The total area is 101.18 km².

On April 1, 2005, the town of Shimotsu (from Kaisō District) was merged into Kainan.

Kainan was the hometown of the Japanese World War II holdout Hiroo Onoda.