Semnan is a city in northern Iran, serving as the capital of Semnan Province. It is known for its rich history, with roots dating back to ancient times. The city features a mix of traditional and modern architecture, reflecting its cultural heritage. The region around Semnan is characterized by diverse landscapes, including mountains and deserts. It is also home to several historical sites, such as the Semnan Grand Mosque and ancient caravanserais. The local economy is primarily based on agriculture, trade, and tourism, attracting visitors interested in its historical significance and natural beauty.