Ambala (/əmˈbɑːlə/) is a city and a municipal corporation in Ambala district in the state of Haryana, India, located on the border with the state of Punjab and in proximity of the state capital Chandigarh. Politically; Ambala has two sub-areas: Ambala Cantonment (Ambala Cantt) and Ambala City, approximately 3 kilometers apart, therefore it is also known as "Twin City". It has a large Indian Army and Indian Air Force presence within its cantonment area. 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 (28 miles) south of Chandigarh, the state capital, 148 km (93 miles) southwest of Shimla, 198 km (121 miles) north of New Delhi and 260 km (155 miles) southwest of Amritsar.Gurudwara Manji Sahib is also situated in Ambala.
It is said that Ambala District was founded by Amba Rajput during the 14th century AD. Another version is that the name is a corruption of Amba Wala meaning the mango-village, from mango groves which existed in its immediate neighborhood. Still, another version is that the District has taken its name after goddess "Bhawani Amba" whose Temple still exists in Ambala city.
The Ambala Lok Sabha constituency (Hindi: अंबाला लोकसभा निर्वाचन क्षेत्र) 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 Yamuna Nagar district. It is reserved for the Scheduled caste candidates.
Ambala Lok Sabha constituency comprises nine Vidhan Sabha (legislative assembly) constituencies. These are: