Alapayevsk is a town in Sverdlovsk Oblast, Russia, located at the confluence of the Neyva and Alapaikha rivers. Population: 38,192 ; 44,263 ; 50,060 ; 49,000.

Prince of the Imperial Blood Igor Konstantinovich of Russia was the sixth child of Grand Duke Constantine Constantinovich of Russia by his wife Elisaveta Mavrikievna née Princess Elisabeth of Saxe-Alt