Yelizaveta Ivanovna Chaikina often referred to as Liza Chaikina, was the Secretary of the Kalinin Komsomol Penovsky underground committee, a Soviet partisan detachment organizer and posthumous Heroine of the Soviet Union.

Peno is an urban-type settlement and the administrative center of Penovsky District of Tver Oblast, Russia. It is located between Lake Peno and Lake Volgo, both located in the course of the Volga River and belonging to Upper Volga Reservoir. Population: 4,220 (2010 Russian census); 5,358 (2002 Census); 6,212 (1989 Soviet census).