What is "nizhneudinsky"

Nizhneudinsky (masculine), Nizhneudinskaya (feminine), or Nizhneudinskoye (neuter) may refer to:

• Nizhneudinsky District, a district of Irkutsk Oblast, Russia
• Nizhneudinskoye Urban Settlement, a municipal formation which the town of Nizhneudinsk in Nizhneudinsky District of Irkutsk Oblast, Russia is incorporated as