Sucumbíos is a province in northeast Ecuador. The capital and largest city is Nueva Loja. It is the fifth largest province in the country, with an area of 18,084 km2. In 2010, it had a population of 176,472 inhabitants.
Wikipedia https://en.wikipedia.org/wiki/Sucumbíos_Province
Coordinates 0°5'6.238" N -76°53'0.83" E