Itami is a city located in Hygo Prefecture, Japan. As of 2008, the city had an estimated population of 194,488 and a population density of 7,790 persons per Square kilometer. The total area is 24.97 Square kilometers. The center of Itami became a wealthy town by the middle of Sengoku period. It was named Itami-go (town of Itami) and known as the only Japanese town within a castle (usually Japanese castles were located far from domestic areas). Itami-go was a part of Castle Arioka which Araki Murashige ruled under Oda Nobunaga. After the uprising and defeat of Araki, the castle was torn down.