Sentinela do Sul is a municipality in the state of Rio Grande do Sul, in southern Brazil. It is one of the many municipalities that make up this state, which is Brazil's southernmost state and borders Uruguay and Argentina.
Like other municipalities in Rio Grande do Sul, Sentinela do Sul is a local administrative unit with its own municipal government. The state of Rio Grande do Sul is known for its distinct cultural heritage, influenced by European immigration, and for its agricultural and industrial economy.
Detailed information about Sentinela do Sul's population, geography, history, and economy is limited in readily available sources. The municipality exists as an administrative entity within the broader framework of Rio Grande do Sul's municipal structure.