Guyana

Guyana has a drainage area of the Amazon Basin of 12,224 km², which represents about 0.2% of the total area of the basin and 6% of the Guyanese territory. The main basins are those of rivers

Mau or Ireng, Tacatu and Sariwaw.

Peru

Peru has a drainage areaof the Amazon Basin of 997,920 km², which represents about 16.3% of the total area of the basin and 76.9% of the Peruvian territory. The main basins are those of rivers

Maranon and Ucayali.