Nawabganj or Maila Raiganj is a city in Barabanki district in the state of Uttar Pradesh, India. It is a tehsil and nagar palika for Barabanki town. It is one of the constituent entities of Barabanki city, which is District HQ of Barabanki district.

Nawabganj has been known as such since the Nawabi. formerly known as Maila Raiganj The origin of this ta'aluqa dates from Qidwai Raja Ghulam Amir Khan, who, in AD 1756, received from Nawab of Awadh Shuja-ud-Daula as a Jagir he also fought Third Battle of Panipat under the Nawab of Awadh Shuja-ud-Daula.,

The Qidwai were recruited in the household cavalry of Shuja-ud-Daula, which was mainly composed of the Sheikhzadi. the villages of Maila Raiganj, Rasoolpur, Bhainsaria, Durjanpur, etc. To these additions and improvements were made by a subsequent descendant, Raja Lutf Ali Khan of Maila Raiganj., later belongs to his son's Raja Sahib Ali Khan, Raja Mardan Ali Khan, Raja Farzand Ali Khan, Raja Haidar Ali Khan., Raja Sahib Ali Khan born in c. AD 1786 he was a Naib Subedar in the Reign of 5th Nawab of Awadh Saadat Ali Khan II and served until his death in 1855 in the Reign of Last Nawab of Oudh Wajid Ali Shah., after Sahib Ali's death his brother Haidar Ali Khan takeover his position title obtained the recognition of Government sanad, later Monarchy Collapsed in 1858 and he died c.1860., in the British India

Raja Nawab Ali Khan became Ta'alluqdar of Maila Raiganj Estate, in 1860., under the British Raj the Estate has 4 Villages and 9 Pattis in Zila Barabanki. Government Revenue, Rs. 6,268. The gaddi Custum of succession Holds in this Family., This ta'alluqdar is Nephew of Raja Farzand Ali Khan Ta'alluqdar of Jahangirabad Raj and son of Raja Mardan Ali Khan and elder brother of Raja Sir Tassaduq Rasul Khan.

The Battle of Nawabganj was a conflict between rebel sepoys, troops of Oudh State and local Taluqdars and troops of East India Company from 12 to 14 June 1857 during Indian Mutiny.

During the Sepoy war of 1857–1858 the whole of the Bara Banki taluqdars joined the mutineers, but offered no serious resistance after the capture of Lucknow. In the battle of Nawabganj in 1857 at Nawabganj Sir Hope Grant defeated the revolutionaries. Raja Balbhadra Singh Chehlari along with other 1000 revolutionaries were killed in action while fighting British at Obri around 2 km from Barabanki on the confluence of riverlets Rait and Jamuria.

During the British rule Nawabganj headquarters of tehsil and pargana of same name. Area of Nawabganj Pargana around 1878 was 79 square miles and it was bounded in North by Ramnagar and Fatehpur, on the east by Daryabad, on the west by Dewa, and on south by Partabganj. Out of 77 villages, 44 were taluqdar and 33 Mufrad. Out of 44 taluqdari villages 25 were held by

Raja Capt. Imtiaz Rasul Khan of Rasoolpur, Nawabganj son of Raja Fida Rasul Khan and younger brother of Maharaja Sir Ejaz Rasul Khan K.C.I.E., Kt., C.S.I., the Taluqdar of Jahangirabad Estate, the rest were divided between several neighbouring estates. Nawabganj contained village of Bara Banki which had civil railway station having junction on Oudh and Rohilkhand Railway (about half a mile north of the town).