The township of Tonekabon exists along the Caspian Sea in the north and has common borders with the province of Qazvin from south. In its northern regions it has a moderate and humid climate and in the southern portions cold weather prevails. The main city is Tonekabon, which is 257 km. from Tehran. The territory of Tonekabon was originally part of Gilan. Numerous evidences discovered in various parts of the region, indicate that it was a flourishing city in past. The ancient Tonekabon came under the realm of the Royan territory, also called Rostamdar. The Padusbanan held the power of this vicinity till the reign of Shah Abbas Safavid I. There after till the year 1209 AH. which was the beginning of the reign of Aqa Mohammad Khan Qajar, this city was known as Faiz. After downfall of this dynasty, the city was called Shahsavar, and thence after the Islamic Revolution was reverted to Tonekabon once more. Its a thriving city worth visiting.