Departamento de Castellanos
Castellanos is a department in the province of Santa Fe. It owes its name to Aarón Castellanos, a prominent person in the history of the province, a great promoter of settlement in agricultural colonies of immigrants. It has two very important cities within Santa Fe such as Rafaela and Sunchales. In the department is one of the most important milk production areas in Argentina, with a large number of dairy farms. The headquarters of the SanCor and Ilolay dairy companies are in Castellanos.