Kōka is a city in southern Shiga Prefecture, Japan. As of 30 September 2021, the city had an estimated population of 89,619 in 36708 households and a population density of 190 persons per km2. The tot
Kōka City Hall
Shuriken theme at one of the train stations in Kōka, 2011
The Kōka ikki or Kōka Confederacy, historically known as the Kōka-gun Chūsō, was a military confederation and network of ninja in Kōka District in Southern Ōmi Province during the Sengoku period of Ja
Kōka, Shiga
…of Kōka has recently plateaued after several decades of growth. Kōka is part of ancient Ōmi Province. During the Sengoku period, the area was an ikki and effectively self-governed by local ninja families. In the Edo period it became a center for the Kōga-ryū school of ninjutsu, in rivalry with Iga-ryū…
The Suzuka Mountains, which run through the eastern portions of Kōka District.
A panorama of Rittō, Shiga. It was in this area that the Battle of Magari was fought.
An ukiyo-e of Ashikaga Yoshiaki escaping the Miyoshi and Matsunaga, aided by the powerful ninja leader Wada Koremasa
Mount Kōya. It was from here that the Rokkaku clan and its Kōka and Iga allies staged guerrilla war against Oda Nobunaga's armies.