The township of Noor is located in the center of the province, to the north of which is the Caspian Sea, and to its south the province of Tehran. The city of Noor is located in the coastal plains with a humid and temperate climate, and at a distance of 243 km. from Tehran.
In the past, Noor was reputedly known as Suldeh and is one of the ancient cities of western Mazandaran. The same has been named due to a sparkling Noor river in this vicinity and because of its strategic position held its own. The presence of castles and other fortifications reveal this fact.