Arida (有田市, Arida-shi?) is a city in Wakayama, Japan. As of 2008, the city had an estimated population of 30,787 in an area totalling 36.91 km². The city was founded on May 1, 1956, when the neighbouring four towns of Minoshima, Miyazaki, Yasuda and Miahara merged to form a single city. The main industries in Arida and the surrounding areas are oil refining and fishing. In addition, Arida is famous as one of the largest producers...