Nikolskoye (Russian: Нико́льское, Aleut: Никоольскиҳ) is a rural locality (a selo) and the administrative center of Aleutsky District of Kamchatka Krai, Russia, located on the Bering Island in the Commander Islands chain. Population: 676 (2010 Census); 808 (2002 Census); 1,356 (1989 Census).