Apóstoles is a city in the province of Misiones in northeastern Argentina. It is the seat of government of Apóstoles Department and is located in the southwestern part of the province, about 60 km south of the provincial capital, Posadas, and 27 km from the international border between Argentina and Brazil.
According to the 2001 census conducted by Argentina's national statistics institute (INDEC), the city had a population of 40,858 inhabitants.