Bayan-Uul (Mongolian: Баян-Уул) is a sum (district) of Dornod Province in eastern Mongolia. Ereen settlement is 26 km NW from Bayan-Uul sum center.
| Sums of Dornod | ||
|---|---|---|
| Bayan-Uul | Bayandun | Bayantümen | Bulgan | Choibalsan (sum) | Chulunkhoroot | Dashbalbar | Gurvanzagal | Khalkhgol | Kherlen (Choibalsan city) | Khölönbuir | Matad | Sergelen | Tsagaan-Ovoo |
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