Hissar () means fort or castle in Arabic, with variants adopted into Persian (hesar, hessar) and Turkish (hisar).
Hissar, Hisar and Hesar may refer to:
Places
Asia (South and Central)
India
- Hisar (city), a city in Haryana
- Hisar Airport in Hisar city, Haryana
- Hisar Junction railway station
- Deer Park, Hisar a park in Hisar city
- Hisar Urban Agglomeration
- Hisar (Lok Sabha constituency), of the lower house of the Parliament
- Hisar (Vidhan Sabha constituency), in the Haryana Legislative Assembly
- Hisar district, a district in Haryana
- Hisar division, a division of Haryana
Tajikistan and Uzbekistan
- Gissar Range, mountain range in Tajikistan and Uzbekistan
- Gissar Valley, in Tajikistan
- Hisor, a city in Tajikistan
- Hisor District, in Tajikistan
Afghanistan and Pakistan
- Hesar, Afghanistan, a village
- Bala Hissar, Kabul, an ancient fortress in Kabul, Afghanistan
- Bala Hissar, Peshawar, an ancient fortress in Peshawar, Pakistan
- Puli Hisar District in Baghlan Province, Afghanistan
Asia (Western) with Turkey
Iran
- Hesar, Iran (disambiguation), a list of places
- Hisar-e Sangi, a village
- Hisar Pain, a village
- Tepe Hissar, prehistoric site
Turkey
- Hisar, Acıpayam
- Hisar, Emirdağ
- Hisar Mosque, an historic Mosque in İzmir
- Hisarlik, an archaeological site believed to have been Troy
- Anadoluhisarı, a fortress on the Bosporus in Istanbul, Turkey
- Rumelihisarı, a fortress in Istanbul
Europe (Balkans)
- Hisar Hill, a hill in southern Serbia
- Hisarya, Bulgaria, a resort town
- Demir Hisar (town), a town in North Macedonia
Other uses
- Hesar (Iranian film)
- HISAR (surface to air missile system), developed in Turkey
- Hughes Integrated Synthetic Aperture Radar (HISAR), used on the US-developed RQ-4 Global Hawk drones
See also
- Hesarak (disambiguation), places in Afghanistan and Iran