| Official Name: | Bogra Sadar |
| Native Name: | বগুড়া সদর |
| Settlement Type: | Upazila |
| Coordinates: | 24.85°N 111°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Bangladesh |
| Subdivision Type1: | Division |
| Subdivision Name1: | Rajshahi |
| Subdivision Type2: | District |
| Subdivision Name2: | Bogra |
| Seat: | Bogra |
| Area Total Km2: | 176.58 |
| Population Total: | 555014 |
| Population As Of: | 2011 census |
| Population Density Km2: | auto |
| Timezone: | BST |
| Utc Offset: | +6 |
| Postal Code Type: | Postal code |
| Postal Code: | 5800, 5801 |
Bogra Sadar Upazila (Bengali: বগুড়া সদর উপজেলা) is an upazila of Bogra District in the Division of Rajshahi, Bangladesh. Bogra Thana was established in 1821 and was converted into an upazila in 1983.[1] The upazila takes its name from the district and the Bengali word sadar (headquarters). It is the subdistrict where the district headquarters, Bogra town, is located.
Bogra Sadar Upazila has a total area of . It borders Shibganj Upazila to the north, Gabtali Upazila to the east, Shajahanpur Upazila to the south, and Kahaloo Upazila to the west. The Karatoya River flows south through the upazila.
According to the 2011 Bangladesh census, Bogra Sadar Upazila had 131,862 households and a population of 555,014. 101,626 (18.31%) were under 10 years of age. Bogra Sadar had a literacy rate (age 7 and over) of 65.70%, compared to the national average of 51.8%, and a sex ratio of 927 females per 1000 males. 350,397 (63.13%) lived in urban areas.[2] [3]
The boundaries of the upazila were redrawn in 2003 to create a new upazila, Shajahanpur.[4] The combined population of the two in 2011 was 844,818, a 21.7% increase from 2001.
Bogra Sadar Upazila is divided into Bogra Municipality and 11 union parishads: Erulia, Fapore, Gokul, Lahiri Para, Namuja, Nishindara, Noongola, Rajapur, Sekherkola, Shabgram, and Shakharia. The union parishads are subdivided into 92 mauzas and 122 villages.
Bogra Municipality is subdivided into 20 wards and 111 mahallas.[2]
See also: Education in Bangladesh. There are 13 colleges in the upazila, most located in Bogra town. Those outside the town include Adarsha Mohabiddyalaya in Puran Bogra, Jahidur Rahman Women's College in Erulia, Govt. Shah Sultan College, Namuza Degree College in Namuja, and Noon Gola Degree College.[5]