Sucumbíos () is a

province A province is almost always an administrative division within a country or state. The term derives from the ancient Roman ''provincia'', which was the major territorial and administrative unit of the Roman Empire's territorial possessions outsi ...

in northeast

Ecuador Ecuador ( ; ; Quechuan languages, Quechua: ''Ikwayur''; Shuar language, Shuar: ''Ecuador'' or ''Ekuatur''), officially the Republic of Ecuador ( es, República del Ecuador, which literally translates as "Republic of the Equator"; Quechuan ...

. The capital and largest city is Nueva Loja (normally referred to as Lago Agrio). It is the fifth largest province in the country, with an area of 18,084 km². In 2010, it had a

population Population typically refers to the number of people in a single area, whether it be a city or town, region, country, continent, or the world. Governments typically quantify the size of the resident population within their jurisdiction using ...

of 176,472 inhabitants.

Geography

Sucumbíos is bounded on the north by Colombia, on the south by Napo and Orellana, on the west by Carchi and Imbabura, on the southwest by Pichincha, and on the east by

Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_symbol = Great Seal of the State , other_symbol_type = Seal (emblem), National seal , national_motto = "Fi ...

. Sucumbíos is the only province in Ecuador that borders two different countries. The province is one of the six provinces in the Amazon Region, a natural region of Ecuador.

Orography

The western area of the province belongs to the Eastern

Andes The Andes, Andes Mountains or Andean Mountains (; ) are the longest continental mountain range in the world, forming a continuous highland along the western edge of South America. The range is long, wide (widest between 18°S – 20°S ...

Mountains, where most