Nishikubiki District, Niigata
Nishikubiki (西頸城郡, Nishikubiki-gun) was a district located in Niigata Prefecture, Japan that was dissolved in 2005.
As of 2003, the district had an estimated population of 23,292 with a density of 67.40 persons per km2. The total area was 345.56 km2.