Tehran province is one of the 31 provinces of Iran. It covers an area of 18,814 square kilometres (7,264 sq mi) and is located to the north of the central plateau of Iran.
Hamadan province is an Iranian province located in the Zagros Mountains. Its capital is the city of Hamadan. The province covers an area of 19,546 km2. According to the National Census held in 2006, Hamadan had a population of 1,674,595 in 427,675 households. The following census in 2011 counted 1,758,268 people in 506,191 households. In 2014, Hamadan province was placed in Region 4. The latest census in 2016 revealed a slight decrease in the population to 1,738,234 in 538,803 households.
Cave popcorn, or coralloids, are small nodes of calcite, aragonite or gypsum that form on surfaces in caves, especially limestone caves. They are a common type of speleothem.
Judeo-Hamadani and Judeo-Borujerdi constitute a Northwestern Iranian language, originally spoken by the Iranian Jews of Hamadan and Borujerd in western Iran.
In 1920, Hamadan had around 13,000 Jewish residents. According to members of the community that Donald Stilo encountered in 2001-02, there were only eight people from the Jewish community left in Hamadān at the time, but others can still be found in Israel, New York City, and most predominantly in Los Angeles.
Nahavand is a city in Hamadan Province, Iran. It is the capital of Nahavand County. At the time of the 2006 census, its population was 72,218, in 19,419 families. It is located south of the city of Hamadan, west of Malayer and northwest of Borujerd. Inhabited continuously since prehistoric times, Nahavand was bestowed upon the House of Karen in the Sasanian period. During the Muslim conquest of Persia, it was the site of the famous Battle of Nahavand.
The Ali-Sadr Cave, originally called Ali Saadr or Ali Sard, is the world's largest water cave which attracts thousands of visitors every year. It is located in Ali Sadr Kabudarahang County about 100 kilometers north of Hamadan, western Iran. Because of the cave's proximity to large cities such as Hamadan, it is a highly recommended destination for tourists from all corners of the world. Tours of the cave are available by pedalos. The Ali-Sadr cave was rediscovered by a shepherd from Ali-Sadr village in which the cave is located.
A show cave—also called tourist cave, public cave, and, in the United States, commercial cave—is a cave which has been made accessible to the public for guided visits.
Road 46 is a road across the Zagros Mountains, located in Hamadan Province and Kurdistan Province of western Iran.
Road 47 is a road in northwestern Iran. It connects the major city of Isfahan with the city of Arak, the city of Hamedan, and the city of Zanjan. It is located within Hamadan Province, Isfahan Province, Markazi Province, and Zanjan Province.
The Tomb of Esther and Mordechai is a tomb located in Hamadan, Iran. Iranian Jews believe it houses the remains of the biblical Queen Esther and her cousin Mordechai, and it is the most important pilgrimage site for Jews in Iran. There is no mention of it in either the Babylonian or Jerusalem Talmud, and the Iranian Jewish tradition has not been supported by Jews beyond Iran.
Tahunabad is a village in Jeyhun Dasht Rural District, Shara District, Hamadan County, Hamadan Province, Iran. At the 2006 census, its population was 69, in 23 families.
Sabzabad is a village in Sangestan Rural District, in the Central District of Hamadan County, Hamadan Province, Iran. At the 2006 census, its population was 89, in 23 families.
Ali Sadr is a village in Ali Sadr Rural District, Gol Tappeh District, Kabudarahang County, Hamadan Province, Iran. At the 2006 census, its population was 999, in 249 families.
Akanlu is a village in Mehraban-e Olya Rural District, Shirin Su District, Kabudarahang County, Hamadan Province, Iran. At the 2006 census, its population was 1,487, in 334 families.
The Battle of Waj Rudh was fought in 642/643 between the Rashidun Caliphate under Nu'man, and the Sasanian Empire under the Dailamite Muta, the Parthian Farrukhzad and Isfandiyar, and the Armenian Varaztirots. The battle was fought in Waj Rudh, a village in Hamadan. The location was precisely theorized and occurred on a road junction between Hamadan and Qazvin.
Arme Construction Company has been one of Iran's and the Middle East's largest construction companies.
Hamadan or Hamedan is the capital city of Hamadan Province of Iran. At the 2019 census, its population was 783,300 in 230,775 families. The majority of people living in Hamadan identify as ethnic Kurds and Persians.
Squatting in Iran mostly occurs around the major cities, as rural migrants move to urban centres. From the 1950s onwards shanty towns have been set up and inhabitants are known as "koukhnishinan". Following the Iranian Revolution of 1979, squatter settlements increased, with the state sometimes evicting and sometimes legalizing the areas.
Road 21 
Road 35 
Najafi Boulevard 
