Santa Rosa de Osos is a middle city and municipality Colombian located in the northern of the department of Antioquia. Bounded on the north with the municipalities of Yarumal and Angostura, on the east with Guadalupe and Carolina del Principe, on the south with the municipalities of Donmatías, San Pedro de los Milagros and Entrerríos, and on the west with Belmira and San José de la Montaña.