Novosibirsk Oblast
Novosibirsk Oblast is in the south of the West Siberian Plain, between the Ob and Irtysh Rivers. The oblast borders Omsk Oblast in the west, Kazakhstan (Pavlodar Province) in the southwest, Tomsk Oblast in the north, Kemerovo Oblast in the east, and Altai Krai in the south. The territory of the oblast extends for more than  from west to east, and for over  from north to south.