Ambarnath is famous for its namesake Ambreshwar mandir, a temple dedicated to Shiva and therefore commonly known as Shivmandir.

This temple was built in 1060 CE and is included in the small list of historically very important places in India by UNESCO.

[citation needed] The city is an important industrial hub M.I.D.C of Ambarnath has 162 large-scale manufacturing units with many international companies having their plants there.

The city of Ambarnath became notable when an ordnance factory was set up during the British rule.

This factory produces ammunition for the Indian army along with shielded vehicles on a large scale.