The Eastern Siberian territory of Zabaykalsky Krai Russian: Забайкальский край was formed in 2008 by the merger of Chita Oblast with its smaller neighbor Agin-Buryat Autonomous Okrug. It borders Buryatia to the west, Irkutsk Oblast to the northwest, Yakutia to the north, Amur Oblast to the northeast, North East China to the east, and Mongolia to the south.