Tehran (Iran) – Location, History, Facts
Tehran is the capital city of the Islamic Republic of Iran and the country's principal political and economic center.

Tehran, Iran.
- Country
- Iran
- Coordinates
- 35.6889° N, 51.3897° E
Tehran overview
Tehran is the capital city of the Islamic Republic of Iran and the country's principal political and economic center. It sits at the southern foothills of the Alborz mountain range in northern central Iran. The municipality of Tehran covers approximately 730 square kilometers within a broader metropolitan region. Tehran is Iran's largest city by population, functioning as the country's chief administrative, commercial, and cultural nucleus with national government institutions and major economic sectors concentrated there.
Tehran coordinates
Tehran is commonly mapped at approximately 35.6889° N, 51.3897° E, or 35.6889, 51.3897 in decimal degrees.
Degrees: 35.6889° N, 51.3897° E
Decimal: 35.6889, 51.3897
Where Tehran is located
Tehran occupies a position in north-central Iran as the administrative center of Tehran Province and the national capital. Its approximate geographic coordinates are 35.69°N latitude and 51.39°E longitude, locating it on the southern slopes of the Alborz Mountains. The city lies on an alluvial plain that drains toward several small seasonal rivers and internal basins. To the north, steep mountain ridges rise rapidly; to the south and west, the terrain descends toward the Iranian plateau and adjacent urban and industrial districts.
Why Tehran is important
Tehran matters as the seat of Iran’s national government, hosting the presidential offices, the unicameral legislature, and key ministries. The city concentrates major cultural institutions such as the National Museum of Iran, the Golestan Palace complex, and principal universities including the University of Tehran. Tehran serves as the country’s primary economic hub with dense commercial districts, financial institutions, and industrial zones that shape national markets. Its position at the urban-mountain interface creates a distinctive urban form and symbolic prominence within Iran’s political and cultural landscape compared with other Iranian cities.
History of Tehran
Tehran developed from a modest village and caravanserai into a capital after selection by the Qajar dynasty, which established administrative functions and royal residences. During the late nineteenth and early twentieth centuries the city expanded with new neighborhoods, government buildings, and infrastructure projects under successive rulers. Twentieth-century political and social changes accelerated urban growth, industrialization, and demographic shifts that transformed rural outskirts into dense suburbs. Tehran subsequently became the focal point for national political movements, which shaped modern Iranian governance and society, and its urban fabric reflects layered historical periods from Qajar palaces to modern governmental complexes.
Natural features of Tehran
Tehran occupies a bowl-shaped basin backed by the Alborz Mountains, producing steep northern slopes and a broad southern urban plain composed of alluvial deposits. Architecturally, the city presents a mixture of Qajar-era palaces and courtyards, Pahlavi-era avenues and government complexes, and contemporary high-rise and reinforced-concrete developments. Notable vertical elements alter the skyline, including tall telecommunications and observation towers. Building materials commonly include brick, stone, tilework, and concrete, with ornamental Persian tile and stucco surviving in historic monuments and royal complexes within the urban core.
Environment, protection, and monitoring of Tehran
Governance of Tehran’s built and natural environment involves municipal authorities, provincial agencies, and national institutions responsible for urban planning, heritage protection, and environmental regulation. Several historic sites within the city are subject to cultural heritage registration and conservation programs administered by national heritage agencies. The metropolitan watershed and groundwater systems are monitored by water management bodies, while seismic risk from active faults underpins regulatory building codes and monitoring efforts. Long-term management emphasizes institutional oversight of heritage sites, urban infrastructure resilience, and coordinated environmental assessment by state technical agencies.
Tehran facts
- Tehran became the political center of Iran after its elevation to capital status by the Qajar dynasty, replacing older regional capitals.
- The city is located at the southern foothills of the Alborz range and sits within an alluvial basin drained by seasonal waterways.
- Tehran hosts the University of Tehran and multiple national museums, concentrating major academic and cultural institutions.
- The urban landscape of Tehran juxtaposes historic royal palaces with modern reinforced-concrete structures and several prominent broadcast towers.
- Golestan Palace in Tehran is among the city’s cultural sites protected under national heritage registration and conservation programs.
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Frequently Asked Questions
What are the coordinates of Tehran?
Tehran is commonly mapped at approximately 35.6889° N, 51.3897° E, or 35.6889, 51.3897 in decimal degrees.