__notoc__    mongolia is divided into 21 provinces (, often translated as aimags. each aimag is subdivided into several districts.mongolian constitution, article 57montsame news agency. mongolia. 2006, foreign service office of montsame news agency, isbn 99929-0-627-8, p. 46 the name aimag is derived from the mongolian word for "tribe". the modern provinces were established since 1921. the capital, ulaanbaatar, is governed as an independent provincial municipality separate from tÃ¶v province, inside which it is located. ulaanbaatar is included as the 22nd province since it is administered at the same level as the other 21 provinces. ==list of provinces== {| | |} {| class="wikitable sortable" |- ! class="unsortable" | seal ! provinces ! mongolian ! population2010 censusmongolia national census 2010 official site. aimags: interactive map. ! area(kmÂ²)mongolia landuse annual report 2007 ! density(/kmÂ²) ! capital |- | align="center"|50x50px | arkhangaiarhangay ||  | align=right| 84,584 | align=right|55,313.82||align=right|1.53 | tsetserleg() |- | align="center"|50x50px | bayan-Ãlgiibayan-Ãlgiy ||  | align=right|88,056 | align=right|45,704.89||align=right|1.93 | Ãlgii() |- | align="center"|50x50px | bayankhongorbayanhongor ||  | align=right|76,085 | align=right|115,977.80||align=right|0.66 | bayankhongor() |- | align="center"|50x50px | bulgan ||  | align=right|53,655 | align=right|48,733.00||align=right|1.10 | bulgan() |- | align="center"|50x50px | [[darkhan-uul province|darkhan-u
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