at a glance

the santa barbara tunnel, 'with a gallery of 1357 meters in length by seventeen feet in width and four lanes, was the first major tunnel that opened in the area and the first to have ventilation - at the time it was built, it was considered the largest in south america and one of the most modern in the world.'

on this page we listed all neighborhoods in rio, including unofficial neighborhoods, divided by city zone - this map shows all neighborhoods in rio de janeiro, grouped by city zone and color coded - zona west in pink, zona north in green, zona sul in light green, and zona central in beige.

rio de janeiro's prefecture, through the instituto pereira passos, makes data and statistics about  laranjeiras available on this link, including data on land (território e meio ambiente), population (população) housing (domicílios), health (saúde), education (educação), buildings (imóveis), and infrastructure (infraestrutura).