Itacoatiara is a municipality in the central eastern portion of state of Amazonas, inland northern Brazil. Its population was 102,701 and its …Itacoatiara is a municipality in the central eastern portion of state of Amazonas, inland northern Brazil. Its population was 102,701 and its area is 8,600 km². The town is known as "City of painted stone" - which is its name translated from Tupi. Itacoatiara has an important port, which is responsible for a considerable amount of cargo transportation in Amazonas.