Cachoeirinha is a city located in the state of Rio Grande do Sul in Brazil. It occupies a strategic point within the region and serves as an alternative for individuals seeking proximity to the capital city, Porto Alegre.
The city shares borders with several neighboring municipalities, including Porto Alegre, Canoas, Esteio, Sapucaia do Sul, Gravataí, and Alvorada. Its official holiday is observed on May 15, marking the date of the city's emancipation.