Open atlas of the Philippines — places, geography and heritage
Atlas Pilipinas — open encyclopedia of Philippine provinces, places, bridges, rivers, mountains, beaches, heritage sites and culture.
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Barangays & Settlements
Bridges & Roads
Rivers & Lakes
Mountains & Volcanoes
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History & Culture
Latest articles
Fort Hughes: History and Military Significance
Fort Hughes on Caballo Island was a key US Army harbor defense fort in the Philippines, notable for its WWII recapture battle.
Morong River: Hydrology, Pollution History and Laguna de Bay Tributary
The Morong River is a 10 km tributary of Laguna de Bay in Rizal, Philippines, noted for 1990s eutrophication studies and cleanup drives.
Fort San Pedro: History, Architecture and Restoration in Cebu City
Historic triangular bastion fort in Cebu City, built by Spanish colonizers and restored as a heritage park.
Narciso Ramos Bridge: Infrastructure and History
The Narciso Ramos Bridge connects Asingan and Santa Maria in Pangasinan, crossing the Agno River. Built in 1997, it is the longest bridge in...
Municipalities of the Philippines: Administrative Structure and Legal Classification
Overview of Philippine municipalities, their history from Spanish rule, legal framework under RA 7160, and income classification.
Maguindanao del Sur: Province Profile and Administrative History
Maguindanao del Sur is a landlocked province in the Bangsamoro region, established in 2022. This profile covers its geography, demographics,...
Matalag River: Hydrology and Indigenous Settlement in Northern Luzon
The Matalag River flows from Apayao to Cagayan province, serving as a key tributary of the Chico River system and a historic settlement area...
Bugang River: Ecology, Conservation and Ecotourism in Pandan, Antique
The Bugang River in Pandan, Antique, is a 6 km river recognized as the Philippines' Cleanest Inland Body of Water, featuring unique fish bio...
Pocdol Mountains: Volcanic Geography and Ecology in Albay-Sorsogon
Volcanic mountain range in Albay and Sorsogon, Luzon. Features stratovolcanoes, Important Bird Area status, and fumarolic activity.