| Official Name: | Satkhira Sadar |
| Native Name: | কলারোয়া |
| Settlement Type: | Upazila |
| Coordinates: | 22°N 89°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Bangladesh |
| Subdivision Type1: | Division |
| Subdivision Type2: | District |
| Subdivision Name1: | Khulna |
| Subdivision Name2: | Satkhira |
| Area Total Km2: | 398.57 |
| Population Total: | 460,892 |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
| Timezone: | BST |
| Utc Offset: | +6 |
Satkhira Sadar (Bengali: সাতক্ষীরা সদর) is an upazila of Satkhira District in the Division of Khulna, Bangladesh.
Satkhira Sadar is located at 22.7167°N 89.075°W. It has 109,105 households and a total area 400.82 km2.
Satkhira Sadar Upazila is bounded by Kalaroa Upazila on the north, Tala Upazila on the east, Debhata and Assasuni upazilas on the south and Basirhat I and Baduria CD Blocks in North 24 Parganas district in West Bengal, India, on the west.[1]
As of the 2011 Bangladesh census, Satkhira Sadar upazila had 109,105 households and a population of 460,892. 85,999 inhabitants (18.66%) were under 10 years of age. Satkhira Sadar had an average literacy rate of 56.51%, compared to the national average of 51.8%, and a sex ratio of 998 females per 1,000 males. 113,322 inhabitants, or 24.59% of the population, lived in urban areas.[2] [3]
At the 1991 census, Satkhira Sadar had a population of 344,444. Males constituted 51.3% of the population, and females 48.7%. This Upazila's eighteen up population was 176,670. The average literacy rate was 34.6% (7+ years), compared to the national average of 32.4% literate.[4]
Satkhira Sadar Upazila is divided into Satkhira Municipality and 14 union parishads: Agardari, Alipur, Baikari, Balli, Banshdaha, Bhomra, Brahmarajpur, Dhulihar, Fingri, Ghona, Jhaudanga, Kuskhali, Labsa, and Shibpur. The union parishads are subdivided into 119 mauzas and 237 villages.
Satkhira Municipality is subdivided into 9 wards and 33 mahallas.[5]
There is well established transportation systems from Satkhira to Dhaka also any other districts of Bangladesh. Among them high way service is the best. The intra-district transportation is also developed. But the water transportation system is less familiar than high way service in this district. There is no air service (e.g. aeroplane) in this district.