| Official Name: | Comilla Adarsha Sadar |
| Settlement Type: | Upazila |
| Coordinates: | 23.4667°N 102°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Bangladesh |
| Subdivision Type1: | Division |
| Subdivision Type2: | District |
| Subdivision Name1: | Chittagong |
| Subdivision Name2: | Comilla |
| Area Total Km2: | 142.72 |
| Population Total: | 671,865 |
| Population As Of: | 2022 |
| Population Footnotes: | [1] |
| Population Density Km2: | auto |
| Population Urban: | 283,429 |
| Postal Code Type: | Postal code |
| Postal Code: | 3500[2] |
| Area Code: | 081[3] |
| Timezone: | BST |
| Utc Offset: | +6 |
Comilla Adarsha Sadar is an upazila of Comilla District in the Division of Chittagong, Bangladesh.[4]
According to the 2011 Census of Bangladesh, Comilla Adarsha Sadar Upazila had 105,783 households and a population of 532,419. 118,968 (21.54%) were under 10 years of age. Comilla Adarsha Sadar had a literacy rate (age 7 and over) of 65.75%, compared to the national average of 51.8%, and a sex ratio of 971 females per 1000 males. 296,010 (55.60%) lived in urban areas.[5] [6]
Comilla Adarsha Sadar Upazila is divided into Comilla Municipality and eight union parishads: Amratoli, Dakshin Durgapur, Jagannathpur, Kalir Bazar, Panchthubi, Uttar Durgapur, and Comilla Cantonment. The union parishads are subdivided into 145 mauzas and 196 villages.
Comilla Municipality is subdivided into 18 wards and 49 mahallas.[7]