The district of Unnao is located in the central Indian state of Uttar Pradesh. The district office is located in the city of Unnao. The division of Lucknow includes the district.

With 3,108,367 residents as per the 2011 census, Unnao district is the 31st most populous district in Uttar Pradesh. Over 80% of the people in the district live in rural areas, making it primarily a rural area.

“The Land of Pen and Sword” (कलम और तलवार की धरती) is the nickname of Unnao District.