Santo Antônio do Sudoeste

Santo Antônio do Sudoeste (Saint Anthony of the Southwest) is a municipality in the state of Paraná, Brazil with a population of 18,000 inhabitants. It is on the border between Argentina and Brazil, opposite the Argentine city of San Antonio, Misiones, limited by the homonym river.

Coordinates: 26°04′S 53°44′W / 26.067°S 53.733°W