Oblast, Russia. It was known as Gorkiy-130 (Горький-130) and Arzamas-16 (Арзама́с-16), after a (somewhat) nearby town of Arzamas, from 1946 to 1991. Until
Orekhovo-Zuyevo Орехово-Зуево Moscow Oblast Central 105,745 120,670 −12.37% Arzamas Арзамас Nizhny Novgorod Oblast Volga 104,908 106,362 −1.37% Noginsk Ногинск Moscow