While Portuguese is the primary language, you may also encounter some speakers of other languages, especially in tourist areas, such as:
* English: Widely understood, especially in tourist areas and hotels.
* Spanish: Similar to Portuguese and often understood by Brazilians.
* Other European languages: French, German, Italian, etc. may be spoken by some residents.
However, Portuguese is the dominant language and will be essential for navigating the city and interacting with locals.