[3] After the fall in production mainly due to stiff competition from Asia, the region suffered a bitter experience of poverty becoming almost a satellite town of the State capital, Manaus, the rubber farms went bankrupt and workers became residents of these farms over the years, It was gaining city format and transformed into district, under administration of the neighbor Anori, in the year 1981 by constitutional amendment 112 number rises Anamã to the status of municipality.

[4] Limited to the north and west by the municipality of Anori; to the south with the municipality of Beruri; and to the east, with Manacapuru, municipality currently has 22 communities, whose main are: Arixi; Cabaça; New Brazil; Mato Rosso; Nossa Senhora de Nazaré and the indigenous communities of São José of Eware (tikunas), Bom Jesus, Nova Esperança and Santa Luzia (kokamas) on the fluvial island of the Chameleon.

The climate is typically hot and humid equatorial, clearly visible in the dry and rainy seasons, in the high altitudes do not cause significant changes in the thermal averages.

The absolute maximum hardly exceeds 38 °C (100,4 °F), that in the warmer months (September, October and November).

In the winter, the thermal sensation is mild, despite it is subject to the low temperatures with averages of 22 °C (71,6 °F) until 18 °C (64,4 °F).