Orinoca is a district (cantón) in the Andamarca Municipality in the Bolivian Sud Carangas Province in Oruro Department.
The village of Isallawi in the Orinoca District is the birthplace of Evo Morales, President of Bolivia from 2006 to 2019.
The rural population is largely dedicated to agriculture (potatoes, wheat, corn and onions) and raising herds of llamas and vicuñas.
Orinoca is accessible only by road; a bus service that reaches the town twice a week.
The district is subdivided in the following subdistricts and hamlets and villages (localidades), in brackets the population of 2001: