an Entity references as follows:
The Volgograd Tractor Plant (Russian: Волгоградский тракторный завод, Volgogradski traktorni zavod, or ВгТЗ, VgTZ), formerly the Dzerzhinskiy Tractor Factory or the Stalingrad Tractor Plant, is a heavy equipment factory located in Volgograd, Russia. It was once one of the largest tractor manufacturing enterprises in the USSR. It was a site of fierce fighting during World War II's Battle of Stalingrad.