Nibutani

Nibutani (Japanese: 二風谷), or Niptani (Ainu: ニㇷ゚タニ), is a district in the town of Biratori in Hokkaidō, Japan. It was once known as Pipaushi, which means "a place rich in shells." The population as of 2010 was 395 people. A particularly large proportion of the population of the district is of the indigenous Ainu ethnicity. As of 2000, over 80% of the residents were Ainu, making it the settlement with the largest percentage of its residents being Ainu in the country.

It is also the site of the Nibutani Dam, and the hometown of Shigeru Kayano. Nibutani is also the site of two Ainu museums "Kayano Shigeru Nibutani Ainu museum" and the "Nibutani Ainu Culture Museum", as well as the Nibutani Family Land.