rio de janeiro has 161 official neighborhoods and 30 unofficial neighborhoods which are divided into 7 sub-prefectures, 34 administrative areas, and 5 planning areas - rio de janeiro's prefecture's map gives a complete visual of all the specified zones and neighborhoods in the city limits - it is an amazing resource to comprehend the complex divisions in rio.

booking sports fields can be reserved for free by registering the desired time via city hall (prefeitura da cidade do rio de janeiro) with the designated department in charge of that area - these departments are called sub-prefeituras and are separated based on zones.

the  Subprefeitura da Barra e Jacarepaguá is located on  Avenida Ayrton Senna, 2001 Barra da Tijuca, 22775-002, and can be reached at  (21) 2431.1829, (21) 2431.1771 or via email here -  This subprefeitura is responsible for the districts of barra da tijuca, joá, joatinga, recreio dos bandeirantes, vargem grande, vargem pequena, jacarepaguá, taquara, praça seca, anil, curicica, freguesia, pechincha, tanque, city of god, gardênia azul, itanhangá, vila valqueire e jardim sulacap.