Ulaanbaatar is divided into nine düüregs (Mongolian: Дүүрэг) or municipal districts: Baganuur, Bagakhangai, Bayangol, Bayanzürkh, Chingeltei, Khan Uul, Nalaikh, Songino Khairkhan and Sükhbaatar.
[1] Each düüreg also serves as a constituency that elects one or more representatives into the State Great Khural, the national parliament.
After the adoption of the third constitution in 1960, Ulaanbaatar consisted of four districts.
[2] 2020 population estimate from Ulaanbaatar city Agency for Statistics.
[3] Although administratively part of Ulaanbaatar, Nalaikh and Baganuur are separate cities.