Mirny is located in the North East of the map.
A local resident Vladimir has plans to build the greatest wasteland conquering machine of all time. He just needs a little help if you do he will agree to let you be "steersman" of this moving city.
In real life it is the administrative center of Mirninsky District in the Sakha Republic, Russia. it is all the location of the the Mir mine which is a Diamond mine and is considered the second largest mine in the world.
Aerial shot of Mir mine and Mirny