Ostrovnoye (Russian: Островно́е; Chukot: Ыпаԓгын, Ypaḷgyn) is a rural locality (a selo) in Bilibinsky District of Chukotka Autonomous Okrug, Russia, located on the banks of the Maly Anyuy River about 40 kilometers (25 mi) upstream from Anyuysk and about 179 kilometers (111 mi) from the administrative center of the district, Bilibino and 690 kilometers (430 mi) from Anadyr. Population: 379 (2010 est.), of which 317 were indigenous peoples. Population: 384 (2010 Census); Municipally, Ostrovnoye is subordinated to Bilibinsky Municipal District and is incorporated as Ostrovnoye Rural Settlement.