The name Ambarnath   literally means Lord of the sky. Ambarnath is the site of a very old temple dedicated to Lord Shiva, dating back, to 10th century. It is a beautiful temple carved out of stone in Hemad style 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 east Ambarnath and west Ambarnath by railway. Ambarnath west is in an industrial zone and is home to hundreds of small and large chemical factories. Many people also live in an area called Ordnance Estate which is meant for the Ordnance Factory nearby that manufactures artillery and bomb shells.