Sidhauli is a town and an Ideal Notified Area Council located in the Sitapur district of Uttar Pradesh, India. It is situated within the Awadh region of eastern Uttar Pradesh and falls under the Lucknow division. The town serves as the headquarters for both the Sidhauli Tehsil and the Sidhauli Community Development Block.
The Sidhauli Block encompasses 306 Gram Panchayats. Geographically, the town is intersected by four-lane National Highway 24, which passes through its center. Additionally, it serves as a constituency for the Uttar Pradesh Legislative Assembly and falls under the jurisdiction of Mohanlalganj.