São Miguel do Oeste is a Brazilian municipality in the state of Santa Catarina, in the southern region of Brazil, 655 km from the state capital, Florianópolis.

Its population in 2022, according to the Brazilian Institute of Geography and Statistics Demographic Census, was 44 330 inhabitants.

[3] Considered the capital of the extreme west of Santa Catarina, it is the largest city in the state of Santa Catarina close to the border with Argentina, polarizing important health, security and education bodies and institutions.

It is widely used as a stopping point for Argentine, Paraguayan and CHilean tourists visiting the beaches of Santa Catarina or by Brazilians on their way to the Iguazu Falls.

The city was founded on 15 February 1954 by immigrants from the Brazilian state of Rio Grande do Sul, descendants of Italian and German.