Sarab-e Sofla Rural District should not be confused with Sarab-e Olya Rural District.
| Sarab-e Sofla Rural District | |
| Native Name: | Persian: دهستان سراب سفلي |
| Settlement Type: | Rural District |
| Pushpin Map: | Iran |
| Coordinates: | 32.3031°N 50.4617°W |
| Coordinates Footnotes: | [1] |
| Subdivision Type: | Country |
| Subdivision Name: | Iran |
| Subdivision Type1: | Province |
| Subdivision Name1: | Chaharmahal and Bakhtiari |
| Subdivision Type2: | County |
| Subdivision Name2: | Farsan |
| Subdivision Type3: | District |
| Subdivision Name3: | Babaheydar |
| Seat Type: | Capital |
| Seat: | Isaabad |
| Population Total: | 6413 |
| Population As Of: | 2016 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
Sarab-e Sofla Rural District (Persian: دهستان سراب سفلي) is in Babaheydar District of Farsan County, Chaharmahal and Bakhtiari province, Iran.[2] Its capital is the village of Isaabad. The previous capital of the rural district was Filabad.[3]
After the 2006 National Census, villages were separated from the Central District in the formation of Babaheydar District, which was divided into Sarab-e Olya and Sarab-e Sofla Rural Districts.
At the time of the 2011 census, the rural district's population was 7,147 inhabitants in 1,974 households.[4] The 2016 census measured the population of the rural district as 6,413 in 1,863 households. The most populous of its three villages was Filabad (now a city),[3] with 4,656 people.[5]