A village is called a kotan in the Ainu language.
Kotan were located in river basins and seashores where food was readily available, particularly in the basins of rivers through which salmon went upstream.
Ainu kotan were also forced to move near fishing grounds so that the Japanese could secure a labor force.
When the Japanese moved to other fishing grounds, Ainu kotan were also forced to accompany them.
As a result, the traditional kotan disappeared and large villages of several dozen families were formed around the fishing grounds.
Cise or cisey (houses) in a kotan were made of cogon grass, bamboo grass, bark, etc.
Kotan-kar-kamuy is regarded as the creator of the world in the Ainu religion.