Ambarnath is part of Mumbai Metropolitan Region (MMR). The name Ambarnath literally means Sky-Lord. Ambarnath is the site of an old temple (Shiva Temple) dedicated to Lord Shiva, dating back, to 1060 AD. The temple is carved out of stone in Hemadpanthi architectural style of construction. Ambarnath lies on Mumbai to Pune railway route. Most people rely on the railway link to commute to Mumbai for work. Like all Mumbai suburbs Ambarnath is divided into Ambarnath East and Ambarnath West by the railway. Ambarnath west is in an industrial zone and is home to hundreds of small and large chemical factories. An Ordnance Factory of the Ordnance Factories Board has been established by the Government of India which is one of the reasons for Ambarnath developing into a residential neighbourhood. A large manufacturing facility of WIMCO, India's largest manufacturer of safety matchsticks, is also located in Ambarnath on the Kalyan-Badlapur Road. Ambarnath is also famous for its Shiva temple, which is located in Ambarnath East.
Suryodaya Housing Society of Ambernath east is one of the richest housing societies in Thane district and has 101.6 acres of land in its possession.
Merwyn Fernandes, a former Indian hockey player, played for the famous Indian Airlines hockey team in the 1970s. He represented India in 1980, 1984 and the 1988 Summer Olympics. He was part of the Indian hockey team that won the gold medal Summer Olympics at Moscow. He also received the Arjuna award.
Previous and sitting MLAs from Ambernath Assembly Constituency