The Delhi Territory was an administrative region of British India which comprised Delhi plus Ambala, Gurgaon, Hissar, Karnal and Rohtak districts of Southern Punjab.

Delhi was conquered by the British in 1803.^[1] On 30 December 1803, the Daulat Scindia signed the Treaty of Surji-Anjangaon with the British after the Battle of Assaye and Battle of Laswari and ceded to the British, Hisar, Panipat, Rohtak, Rewari, Gurgaon, Ganges-Jumna Doab, the Delhi-Agra region, parts of Bundelkhand, Broach, some districts of Gujarat and the fort of Ahmmadnagar.^[2]: 73

Until 1832, the Delhi Division was controlled by the Residency. Regulation V of that year, abolished the office of Resident and annexed the Delhi territory to the jurisdiction of the Sadr Board and Courts of Justice at Allahabad, which included the Commissioner of the Delhi territory and all officers acting under his control, ordinarily to "or form to the principles and spirit of the regulations" in their his control, ordinarily to administration.

After the Indian rebellion of 1857, the Delhi Division of the North-Western Provinces was transferred to the Punjab in 1858, and formed into the Delhi and Hissar divisions, which embraced the six districts of Ambala, Delhi, Gurgaon, Hissar, Karnal and Rohtak.^[3]

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  A map of British Punjab (1909)
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  Map of Delhi Enclave of Punjab Province, British India, published in 'The Panjab, North-West Frontier Province and Kashmir' (1916)

• Company rule in India
• British Raj
• United Provinces of Agra and Oudh