Search map of city, region, country or continent:
Niigata map by OpenStreetMap engine. It allow change of map scale; streets and houses search - in most of sities. If you can't find something, try Yandex map of Niigata or Niigata map by Google.
See also capital of Niigata: Niigata-shi map
Online map of Niigata. Open street map project.