The headquarters of the Hisar division is located in the city of:

Hisar
Bhiwani
Fatehabad
Sirsa

The correct answer is Hisar.

Hisar is a city in the Indian state of Haryana. It is the headquarters of Hisar district and Hisar division. The city is located on the banks of the Saraswati River, about 190 kilometers (120 mi) north of the state capital, Chandigarh. Hisar is a major agricultural and industrial center. The city is also home to a number of educational institutions, including the University of Hisar.

Bhiwani is a city in the Indian state of Haryana. It is the headquarters of Bhiwani district and Bhiwani division. The city is located about 150 kilometers (93 mi) north of the state capital, Chandigarh. Bhiwani is a major industrial center. The city is also home to a number of educational institutions, including the Maharshi Dayanand University.

Fatehabad is a city in the Indian state of Haryana. It is the headquarters of Fatehabad district and Fatehabad division. The city is located about 200 kilometers (120 mi) north of the state capital, Chandigarh. Fatehabad is a major agricultural and industrial center. The city is also home to a number of educational institutions, including the Chaudhary Devi Lal University.

Sirsa is a city in the Indian state of Haryana. It is the headquarters of Sirsa district and Sirsa division. The city is located about 250 kilometers (160 mi) north of the state capital, Chandigarh. Sirsa is a major agricultural and industrial center. The city is also home to a number of educational institutions, including the Chaudhary Charan Singh Haryana Agricultural University.