| Official Name: | Naogaon Sadar |
| Native Name: | নওগাঁ সদর |
| Settlement Type: | Upazila |
| Coordinates: | 24°N 88°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Bangladesh |
| Subdivision Type1: | Division |
| Subdivision Type2: | District |
| Subdivision Name1: | Rajshahi |
| Subdivision Name2: | Naogaon |
| Seat Type: | Headquarters |
| Seat: | Naogaon |
| Government Type: | Upazila Parishad |
| Leader Title: | Chairman |
| Leader Name: | Rafiqul Islam |
| Area Total Km2: | 275.72 |
| Population Total: | 405,148 |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
| Website: | Official Map of Naogaon Sadar |
| Timezone: | BST |
| Utc Offset: | +6 |
Naogaon Sadar (Bengali: নওগাঁ সদর) is an Upazila of Naogaon District in Rajshahi Division, Bangladesh.
In British India sub-districts were called as "Thana", which were mainly exercised by the police. When development activities became widespread, it was known as a Development Circle. In 1949, Naogaon Sadar was declared as a Thana, in 1960 as a development circle and in 1984 as a sub-district.[1]
Naogaon Sadar is located at 24.8042°N 88.95°W. It has more than 80,000 households and total area of about 275.72 km2. It is bounded by Badalgachhi and Mahadebpur upazilas on the north, Raninagar and Manda upazilas on the south, Adamdighi and Akkelpur upazilas on the east, Mahadebpur and Manda upazilas on the west.[2]
According to the 2011 Bangladesh census, Naogaon Sadar Upazila had 100,867 households and a population of 405,148. 76,019 (18.76%) were under 10 years of age. Naogaon Sadar had a literacy rate (age 7 and over) of 53.49%, compared to the national average of 51.8%, and a sex ratio of 981 females per 1000 males. 150,549 (37.16%) lived in urban areas.[3] Ethnic population was 1,303 (0.32%)[4]
Naogaon Sadar Upazila is divided into Naogaon Municipality and 12 union parishads: Baktiarpur, Balihar, Barshail, Boalia, Chandipur, Dubalhati, Hapania, Hashaighari, Kirtipur, Sailgachhi, Shikarpur, and Tilakpur. The union parishads are subdivided into 237 mauzas and 211 villages.
See also: Education in Bangladesh. According to Banglapedia, Chak Atitha High School, founded in 1914, and Kirtipur Multilateral High School, founded in 1921, are notable secondary schools in the upazila.[5]
