Alborz Province

Alborz Province (Ostan-e Alborz) is the 31th province of Iran, centered in Karaj and formed by division of Tehran Province into two provinces, after the Parliamentary approval on June 23, 2010, and was introduced as 31st province of Iran. In 2014 it was placed in Region 1.
 
Situated northwest of Tehran, the Province of Alborz has 6 counties, Karaj County, Savojbolagh County, Taleqan County, Eshtehard County, Fardis County and Nazarabad County. Karaj (the seat of the province) is a mere 20 kilometers northwest of Tehran. Alborz Province is situated 35 km west of Tehran, at the foothills of the Alborz mountains, and is Iran's smallest province in area.
 
According to the National Census, in 2011 population of Alborz was 2,412,513 out of which 90,5% lived in urban areas. Alborz province has a special place in the country due to its many industrial, agricultural, tourism, ecotourism, cultural heritage and academic centers.
 
Chalus Road:
Road 59, also known as the Chalous Road or Kandovan Road, is an important road for people of Tehran and Karaj which begins in Alborz Province and goes to Chalous County in Mazandaran Province, a large number of whom drive to popular tourist attractions in the north of Iran on weekends and for holidays. This road is one of the busiest roads in Iran. There is a tunnel in this road that name Kandovan. Kandovan tunnel built in four years from 1935 until 1939.