Every map downloaded from the highchartsJS maps collection have keys to join data. There are 2 functions to help to know what are the regions coded to know how to join the map and data: download_map_data(): Download the geojson data from the highchartsJS collection. get_data_from_map(...
Recife, Pernambuco State; Porto Alegre, Rio Grande do Sul State. The final two host-cities are much smaller. They are the 20th-largest city in Brazil, Natal, in Rio Grande do Norte State in the hot and arid Northeast Region; and the 34th-largest city in Brazil, Cuiabá, in the south...