Qazvin is a place in Iran. 
Qazvin is a place in Iran. 
It sits in the northwest of the land. Many high mountains are there. Some parts are cold and snowy in winter. Other parts are warm in summer.
This place has many old sites. People lived there a long time ago. It was once a capital for a great empire. 
You can see old castles and mosques. There are also old ways to hold water. It is a very special place to visit.
Qazvin province is in northwest Iran. 

This place has a long history. People lived in small towns here a long time ago. Qazvin was once a capital for the Persian Empire. It was also a capital for the Safavid empire. There are over 2,000 old sites to see. You can find old castles and mosques. There are also many old water reservoirs. These are tanks used to hold water.
The weather changes depending on where you go. The north is cold and snowy in winter. The south is mild with warm summers. Many people live in the cities. In 2016, about 1,273,761 people lived there.
The map shows where the province sits.
Qazvin province is located in the northwest part of Iran. 
The land here has many different shapes and feels. In the north, the weather is cold and snowy in winter. The summers there are temperate. The southern parts feel different. They have mild weather with warm summers and cold winters. Many tall mountains rise up in the province. These are part of the central Alborz mountain chain. Siälän is the highest peak at 4,175 meters. Shäh Alborz is also very tall at 4,056 meters. 
Qazvin has a very long and busy history. People lived in farming towns here as far back as 7000 BC. Ancient settlements like Tepe Sagzabad were found in the Qazvin plain. The name Qazvin may come from the Cas tribe. This tribe lived south of the Caspian Sea a long time ago. Qazvin was once the capital of the Persian Empire. Later, the Safavid monarchs made it their capital in 1548. They moved the capital to Isfahan in 1598. 
There are many amazing things to see in this province. It contains over 2,000 architectural and archeological sites. You can visit old castles like Alamut Castle. There are also historical mosques like the Al-Nabi Mosque. Long ago, there were about 100 water reservoirs used to hold water. Today, ten of them are specially protected. You can also find old bazaars and beautiful bridges. The province was officially created in 1997 from Tehran and Zanjan. 
Many people call Qazvin home. In 2016, the census counted 1,273,761 people living there. Most people live in cities rather than the countryside. About 75% of the population lives in urban areas. The city of Qazvin is the largest with 402,748 people. Other cities include Abyek, Alvand, and Takestan. Different groups of people live in different areas. In the northeast, many people speak Mazandarani or Gilaki. Some people in the Alamut area are also known as Tats.
Qazvin province is a significant administrative division located in the northwest of Iran.
The geography of the province is defined by diverse landscapes and varied climates. The northern areas experience cold, snowy winters and temperate summers. In contrast, the southern regions have a milder climate. These southern parts see warm summers and cold winters. The province contains many prominent peaks belonging to the central Alborz mountain chain. These include mountains such as Khashchäl, Sephidkouh, and Shojä e din. The two highest peaks are Siälän, which reaches 4,175 meters, and Shäh Alborz at 4,056 meters. The lowest point in the province is located in Tärom e Soflä.
Qazvin possesses a deep history that spans thousands of years. Archaeological findings in the Qazvin plain show urban agricultural settlements existed as far back as 7000 BC. Important ancient sites include Tepe Sagzabad, Tepe Ghabristan, and Teppe Zagheh. The name "Qazvin" likely comes from the Cas, an ancient tribe. This tribe lived south of the Caspian Sea many millennia ago. The name of the Caspian Sea itself shares this same linguistic origin. The province contains over 2,000 different architectural and archaeological sites.
Throughout different eras, Qazvin has held great political importance. It was once the capital of the Persian Empire. During the early Islamic era, it served as a base for Muslim forces. In 1548, the Safavid monarchs chose Qazvin as the capital of the Safavid empire. They later moved the capital to Isfahan in 1598. During the Qajar dynasty, its proximity to Tehran kept it as a major governmental center. The province was also the site of a major political change in 1921. A coup d'état by General Reza Khan's Cossack brigade led to the founding of the Pahlavi dynasty.
The province is also known for its unique historical structures and landmarks. 
Demographics in the province show a mix of cultures and growing populations. 
Qazvin's influence extends into education, literature, and even natural beauty. The province is home to several institutions, such as Imam Khomeini International University. It also hosts the Islamic Azad University of Qazvin and the Qazvin University of Medical Sciences. Many famous figures have come from this region. For example, the linguist Ali Akbar Dehkhoda was originally from Qazvin. The poet Obeid Zakani and the historian Hamdollah Mostowfi are also notable. 
🖼️ Images & Media (3)
More to explore
✨ What else?
Related topics you might enjoy
🔬 Go deeper
More advanced topics to explore
🪜 Step back
Simpler topics to build understanding
What is Nepedia?
A free, ad-free encyclopedia for children. Every article is written at five reading levels, so the same page works for a five-year-old and a fifteen-year-old — use the level switcher above to see this one change. No account needed to read.