Orkhon (Mongolian: Орхон) is one of the 21 aimags (provinces) of Mongolia, located in the north of the country. Its capital is Erdenet. The province is named after Orkhon River. Orkhon Province was carved out of Bulgan Province in 1994, to form a new entity together with its capital Erdenet, which had previously been administered as a federal municipality.

Administrative subdivisions

The Sums of Orkhon Aimag

Sum	Mongolian	Area km	Population (2004)	Population (2006)	Population (2008)	Population (2009)	Density /km
Bayan-Öndör*	Баян-Өндөр	208.0	80,858	83,160	86,866	88,046	423.30
Jargalant	Жаргалант	635.6	2,733	3,125	3,009	3,166	4.98

- includes aimag capital Erdenet