Dhull is a gotra

Gotra

In the Hindu society, the term Gotra broadly refers to people who are descendants in an unbroken male line from a common male ancestor. Panini defines gotra for grammatical purposes as apatyam pautraprabhrti gotram , which means "the word gotra denotes the progeny beginning with the son's son"...

 of Jats, found in the state of Haryana

Haryana

Haryana is a state in India. Historically, it has been a part of the Kuru region in North India. The name Haryana is found mentioned in the 12th century AD by the apabhramsha writer Vibudh Shridhar . It is bordered by Punjab and Himachal Pradesh to the north, and by Rajasthan to the west and south...

 and Western UP in India

India

India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

. Dhull is a clan by which various other clans /surname have evolved like dhuhan, Dhillon etc. In Haryana

Haryana

Haryana is a state in India. Historically, it has been a part of the Kuru region in North India. The name Haryana is found mentioned in the 12th century AD by the apabhramsha writer Vibudh Shridhar . It is bordered by Punjab and Himachal Pradesh to the north, and by Rajasthan to the west and south...

they are found mostly found in Kaithal district villages are Harsola, Pai, Bhana, Sherdha, Sheru-Kheri, Faribad, Ramana, Badshikri, Balwanti in Rohtak district Bhagwatipur and in Jind district Ikkas and Ramrai and in Bhiwani district Mundal-khurad And in district Hissar Faridpur]