Kermanshah is the ninth most populous city, and one of the metropolises of Iran and the capital of Kermanshah province in Iran, with a population of 946,651 people at the census of 2016.

Kermanshah is the largest Kurdish city in Iran and the two most important cities in the central region of western Iran. Kermanshah is one of the historical and cultural cities of Iran and its origins date back to the fourth century AD and from that time until the Arab invasion of Iran as the second Sassanid capital was considered by the government.

Kermanshah, located in the middle of the Zagros Mountains, has always been considered by people of the Stone Age because of its climate, mountainous nature and the existence of natural shelters and caves.