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Ambala Cantonment is a cantonment town in Ambala district in the state of Haryana, India. It is 200 km north of Delhi and 55 km southwest of Chandigarh. This cantonment was established in the year 1843 and is an important centre for manufacturing of scientific and surgical instruments.

Babiyal is a census town in Ambala district in the state of Haryana, India.

Sanatan Dharma College commonly known as S.D. College, is a graduate and post graduate college, established in 1916 and situated in Ambala Cantonment, India on the Ambala-Jagadhri highway. Originally established in Lahore, the college was re-established in Ambala in 1948 after the partition of India in 1947.It amongst three colleges in the state of Haryana to be granted the status of 'College with Potential for Excellence' by the University Grants Commission (UGC), Delhi for 2014 to 2019. It is accredited as a grade "A+" college by the National Assessment and Accreditation Council (NAAC), Bangalore in its 3rd cycle.

The Ambala Air Force Station is an Air Force base situated north of the urban Ambala Cantt area in Haryana, India. The Ambala Air Force Station is the home to the first batch of advance multirole fighter jet Dassault Rafales that have been inducted to Indian Air Force.

Ambala Sadar is a city and a municipal council in Ambala district in the state of Haryana, India.

Ambala Cantonment Junction railway station, often abbreviated as Ambala Cantt (station code: UMB) is a major junction station at the junction of Delhi–Kalka line and Moradabad–Ambala line cum Ambala–Attari line Ambala–Bathinda line and Ambala–Una Himachal line in India. It is the busiest railway station in the Indian state of Haryana and one of the oldest and busiest in India in terms of frequency of trains. It is located in the Ambala Cantonment region in Haryana. It serves Ambala Cantonment and Ambala. Around 300 trains start, end, or pass through the station daily. Northern Railways' Ambala railway division is named for the station.

Kardhan is a census town in Ambala district in the Indian state of Haryana.

Ambala Division is one of the six divisions of Haryana State of India. The division comprises the districts of Ambala, Kurukshetra, Panchkula and Yamuna Nagar.

Ambala Cantonment Assembly constituency is one of the 90 assembly seats of Haryana. Ambala city is a part of Ambala district. Anil Vij is current MLA.

Ambala () is a city and a municipal corporation in Ambala district in the state of Haryana, India, located on the border with the Indian state of Punjab and in proximity to both states capital Chandigarh. Politically, Ambala has two sub-areas: Ambala Cantonment (also known as Ambala Cantt) and Ambala City, eight kilometres apart, therefore it is also known as "Twin City". It has a large Indian Army and Indian Air Force presence within its cantonment area. It is located 200 km (124 mi) to the north of New Delhi, India's capital, and has been identified as a counter-magnet city for the National Capital Region to develop as an alternative center of growth to Delhi. Ambala separates the Ganges river network from the Indus river network and is surrounded by two rivers – Ghaggar and Tangri – to the north and to the south. Due to its geographical location, the Ambala district plays an important role in local tourism, being located 47 km (29 mi) south of Chandigarh, 50 km (31 mi) north of Kurukshetra, 148 km (92 mi) southwest of Shimla, 198 km (123 mi) north of New Delhi and 260 km (160 mi) southeast of Amritsar.

The Ambala Lok Sabha constituency is one of the 10 Lok Sabha (parliamentary) constituencies in the Haryana state in northern India. This constituency covers the entire Panchkula and Ambala districts and part of Yamunanagar district. It is reserved for the Scheduled caste candidates.

Ambala City Assembly constituency is one of the 90 assembly seats of Haryana Legislative Assembly. Ambala city is a part of Ambala district.