1,206-CITY ATLASSOURCE-BACKED CITY REFERENCE
Brazil
Compare this sourced profile of Porto Alegre, Brazil before planning. Stable fields identify the place; confirm current transport, access and opening details with official sources.
01What the data says — and does not say
This page separates the checked GeoNames row for Porto Alegre—1,488,252, America/Sao_Paulo, and source coordinates—from live travel claims. Those fields identify and compare the record; they do not prove current transport, accessibility, census totals, or a City Atlas Club visit.
Wikidata's localized description: human settlement in Brazil.
02This city's dataset fingerprint
The source row behind Porto Alegre is GeoNames ID 3452925. Its recorded administrative path is Porto Alegre → Rio Grande do Sul → Brazil, and GeoNames classifies the place as a first-order administrative seat. Porto Alegre occurs once as a primary city label in this atlas sample; the numeric ID remains the durable source key if names change. The city row itself was updated 2026-04-13; that date belongs to the source record, not to every transport or visitor detail in the real destination.
Within the fixed 1,206-record atlas, Porto Alegre ranks 318 by recorded population. Inside the 48 selected Brazil entries it ranks 12; inside the 198 entries in its broad region it ranks 46. Its 1,488,252 population value is 1.96 times the 758,563 median for the country cohort and 1.82 times the 816,326 regional median. Porto Alegre falls between the leading tenth and quarter of this atlas's Brazil population cohort. Porto Alegre's recorded value is above the country-cohort median but remains below twice that benchmark. These comparisons describe this selected dataset only; they are not current census rankings or official urban-area boundaries.
Porto Alegre's three nearest other atlas coordinates are Caxias do Sul at 96.283 km with 479,599 recorded people; Florianópolis at 376.279 km with 508,826 recorded people; Joinville at 475.897 km with 664,500 recorded people. The closest-to-farthest distance spread is 379.614 km. Compared with Caxias do Sul, Porto Alegre's recorded population is 3.10 times as large. Against Porto Alegre, Caxias do Sul follows Caxias Do Sul → Rio Grande do Sul → Brazil in the source. Its point has higher latitude and higher longitude; it belongs to the same selected Brazil cohort, uses the shared America/Sao_Paulo identifier, and carries populated place rather than first-order administrative seat. Its recorded population is below Porto Alegre's. Against Porto Alegre, Florianópolis follows Florianopolis → Santa Catarina → Brazil in the source. Its point has higher latitude and higher longitude; it belongs to the same selected Brazil cohort, uses the shared America/Sao_Paulo identifier, and carries the same first-order administrative seat class. Its recorded population is below Porto Alegre's. Against Porto Alegre, Joinville follows Joinville → Santa Catarina → Brazil in the source. Its point has higher latitude and higher longitude; it belongs to the same selected Brazil cohort, uses the shared America/Sao_Paulo identifier, and carries populated place rather than first-order administrative seat. Its recorded population is below Porto Alegre's. Its nearest-neighbor distance ranks 681 of 1,206 from shortest to longest in the same snapshot. Porto Alegre's nearest-coordinate gap belongs to the wider half of atlas distances. This pattern can reveal whether other catalog references are geographically close, but it cannot establish whether a border crossing is possible or practical, or whether rail, road, fare, or journey-time connections exist. Read as one record signature, GeoNames 3452925, the coordinate pair 30.0328 / 51.2302, country rank 12 of 48, and neighbor GeoNames 3466537 at 96.283 km bind Porto Alegre to a reproducible comparison. That combined key distinguishes the row; it is not a recommendation or evidence of a physical connection.
Porto Alegre's reference point is 30.0328° south and 51.2302° west. The IANA identifier America/Sao_Paulo is shared by 30 city rows in this catalog, while the GeoNames class PPLA is shared by 429 rows. Porto Alegre's row carries both second- and first-order administrative labels. Porto Alegre's point falls in the middle-latitude coordinate band used by this atlas's row checks. Porto Alegre's time-zone field defines the narrower catalog cohort; its place class is shared more broadly. GeoNames supplies no elevation for Porto Alegre, so the profile preserves that missing value instead of guessing terrain. Together these fields form a reproducible identity check for this page, not a claim about walkability, climate or accessibility.
03Nearby atlas references
Porto Alegre's closest other entries in this atlas are Caxias do Sul (96.283 km), Florianópolis (376.279 km), Joinville (475.897 km).
04Verify before you book
Before visiting Porto Alegre, confirm changing decisions with current first-party sources:
Read how City Atlas Club verifies changing travel facts →05Sources and freshness
GeoNames updated the row 2026-04-13; the atlas checked the dataset 2026-08-04. Available Wikidata fields were verified in the same run.
GeoNames data: CC BY 4.0. Wikidata labels and descriptions: CC0 1.0.