Flag of Govi-Altai Aimag, Mongolia, since 2011.
Official blason: http://www.govi-altai.gov.mn/blog/list/17

Bottom third yellow for the Gobi
Blue on top for the eternal skies
COA in the blue near the hoist
size ratio of 1x2
Own work; faithful reproduction of blason; Dark blue (same as mountains on COA) chosen based on the real life flag hanging in the governers office: http://etowshoo.blog.gogo.mn/?date=2012-05
User:Latebird