Map of Semnan, Iran

Semnan is the administrative centre of Semnan, Iran, with a population of about 124,826. It lies at 35.5769°N, 53.3920°E. Semnan is about 179 km (111 mi) east of Tehran, the capital. The nearest city on our map is Īstgāh-e Rāh Āhan-e Garmsār, 105 km to the west.

Semnan at a glance

Where is Semnan?

• Located in the Northern and Eastern hemispheres.
• Daylight ranges from about 9 h 45 min on the shortest day to 14 h 34 min on the longest day (around 21 December and 21 June).

Cities near Semnan

• Īstgāh-e Rāh Āhan-e Garmsār — 105 km west
• Dāmghān — 108 km northeast
• Sari — 114 km north
• Nekā — 120 km north
• Behshahr — 125 km north
• Bābol — 126 km northwest
• Āmol — 136 km northwest
• Bābolsar — 141 km northwest
• Fereydūn Kenār — 146 km northwest
• Kord Kūy — 150 km northeast

Largest cities in Semnan

• Shahrud — 165,000
• Dāmghān — 67,694
• Īstgāh-e Rāh Āhan-e Garmsār — 49,491

Largest cities in Iran

• Tehran — 7,153,309
• Mashhad — 2,307,177
• Isfahan — 1,547,164
• Karaj — 1,448,075
• Tabriz — 1,424,641
• Shiraz — 1,249,942
• Qom — 900,000
• Ahvaz — 841,145
• Pasragad Branch — 787,878
• Kermanshah — 621,100

Map of Iran and all its cities →

Sources: place names, coordinates, populations and time zones from GeoNames (CC BY 4.0, data retrieved October 2026). Population figures are the latest values recorded in GeoNames; depending on the country they refer to the city proper, a municipality or a wider urban area, so they can differ from census or metro-area figures. Map © OpenStreetMap contributors.