Dildarnagar is a municipality in Kamsaar of Ghazipur District, Uttar Pradesh, India.

The large tank to the west is called Rani Sagar, after where his famous queen, Damayanti is located.

The land where the present town of Dildarnagar exists belonged to the Zamindars of Bahuara and Kusi, and was called village Akhanda.

Dildarnagar was founded on 16 July 1698 by a Kunwar Naval Singh who adopted Islam and kept his name Raja Deendar Khan in 1674.

Kunwar Naval Singh used to live in the village named Samohta located in Chainpur tehsil of Bihar, India.

Aurangzeb also made Danish Khan the jagirdar of a place near Delhi in 1680s and gave him the title of Raja.

Deendar Khan came to Ghazipur district and bought the village named Akhanda with 592 coins used during the Aurangzeb Empire in 1698 and started living there.

Raja Deendar Khan Build an Eid Gah in the village between 1699 and 1705 CE and a Mosque called Shahi masjid.

During Mughals empire, Zamania, Usia and Dewaitha were the main market centers of Dildarnagar Kamsar .

Seorai, located near Dildarnagar of Ghazipur, witnessed a tragic historical event during the reign of Mughal Emperor Shah Alam I.

On 16th Muharram (Tuesday, 1710-11 CE), Kunwar Dheer Singh (Muhammad Bahrmand Khan), the faujdar of Chainpur and the son of zamindar Muhammad Deendar Khan of Dildarnagar, was martyred while defending the region against a rebellious former faujdar of Chausa.

The event deeply grieved Muhammad Dindar Khan, who documented the incident in a Persian "Mahzarnama" addressed to the emperor.

[6][7][8] Dildarnagar's original name was Deendarnagar, derived from its founder, Raja Deendar Khan.

Regional pronunciations led in 1838 to a British officer writing the name as Dildarnagar.

Fatehpur Bazaar was originally a market of Usia village but in the 1890s it was added to Dildarnagar.

Dildarnagar has a humid Subtropical climate with large variations between summer and winter temperatures.

Fog is common in the winters, while hot dry winds, called loo, blow in the summer.

All the materials and machines like Tractors, Combine Harvesters, Balers etc., that are used in agricultural activities are easily available in the town as farming is done with modern machinery.

Zamania Canal passes almost through the middle of the town and contributes in making irrigation easier.

The town of Dildarnagar also has one movie theatre which was established in 1962 by Nazir Hussain when he started Kamsar Films.

During older days the number of schools were less because of which the people had to go to the city of Ghazipur for better education.

Jamia Arabia Makhzunul Uloom is also the largest college of Islamic Studies in Ghazipur District.

Dildarnagar Junction railway station was built in 1862, connected to the Mughalsarai line.