Phnom Penh (Cambodia) – Location, History, Facts

Phnom Penh is the capital and largest city of Cambodia, located at approximately 11. 5564° N, 104.

Phnom Penh, Cambodia.

Country: Cambodia
Coordinates: 11.5696° N, 104.9210° E

Phnom Penh overview

Phnom Penh is the capital and largest city of Cambodia, located at approximately 11.5564° N, 104.9282° E. It serves as the country’s primary political and cultural center, hosting central government institutions and national ceremonial sites. The municipality covers an area of about 679 square kilometers and concentrates major commercial activities. Phnom Penh functions as the national seat of government and a regional hub for administration and cultural preservation.

Phnom Penh coordinates

Phnom Penh is commonly mapped at approximately 11.5696° N, 104.9210° E, or 11.5696, 104.9210 in decimal degrees.

Degrees: 11.5696° N, 104.9210° E

Decimal: 11.5696, 104.9210

Where Phnom Penh is located

Phnom Penh sits in south-central Cambodia at the confluence of the Mekong River, the Tonlé Sap River, and the Bassac River. Administratively it constitutes an autonomous municipality distinct from surrounding provinces and is bordered on most sides by Kandal Province. The city occupies a low-lying alluvial plain formed by river-borne sediments, and its urban area extends along riverbanks that have historically structured settlement patterns. River corridors define much of the metropolitan layout and local transport geometry.

Why Phnom Penh is important

Phnom Penh matters as Cambodia’s seat of government, its principal cultural repository, and a key inland port on the Mekong river system. The city contains the Royal Palace and the Silver Pagoda, which perform official ceremonial functions and hold national artifacts. It also hosts the National Museum, the country’s principal repository for Khmer sculpture and archaeological material. The convergence of political institutions, concentrated museum collections, and river-linked commercial infrastructure distinguishes Phnom Penh from other urban centers in the country.

History of Phnom Penh

Local tradition attributes the city’s origin to the establishment of a small hill shrine that became the focus of settlement activity. Over time the riverside settlement grew as regional authorities shifted administrative centers into the lower Mekong plain, increasing urban functions. European colonial administration reorganized urban space, introduced new administrative districts, and consolidated Phnom Penh as the principal colonial capital. During periods of political upheaval the city’s population and urban fabric contracted, followed by phases of recovery that produced rapid urban expansion and the replacement of many older structures with modern buildings, while key monuments continued to mark historical continuity.

Natural features of Phnom Penh

Phnom Penh’s built landscape mixes traditional Khmer architectural forms, French colonial-era buildings, and contemporary reinforced-concrete construction. The Royal Palace complex displays ornamental Khmer rooflines and timber-framed ceremonial halls with gilded finishes, while older districts retain stuccoed villas and decorative ironwork from the colonial period. The underlying geology is young alluvial sediment of the Mekong floodplain, producing flat terrain and soils composed primarily of silt and sand that affect foundation design and drainage considerations for urban construction.

Environment, protection, and monitoring of Phnom Penh

Cultural properties and significant monuments in Phnom Penh are managed under national heritage legislation enforced by the Ministry of Culture and Fine Arts alongside municipal authorities responsible for urban planning. The riverine corridor and adjacent wetlands form an ecological zone monitored for water management and habitat change by governmental agencies. Urban expansion is subject to land-use controls, environmental assessment procedures, and municipal infrastructure programs that target flood mitigation, preservation of collections, and institutional monitoring of growth and heritage conservation.

Phnom Penh facts

Phnom Penh grew from a riverside settlement into an administrative capital during colonial urban planning that introduced grand boulevards and formal public spaces.
The municipal territory sits primarily on a flat alluvial plain with average elevations generally below twenty meters above sea level.
In Phnom Penh the National Museum holds one of the most comprehensive collections of Khmer sculpture and textiles used by researchers worldwide.
The city's rivers form a navigable network connecting inland Cambodia to regional trade routes along the Mekong basin.
National authorities classify key palace precincts and museum holdings in the city as protected cultural property under Cambodia’s heritage legislation.

← Cambodia