Departments form the second level of administrative division, and are subdivided in municipalities. They are extended in all of Argentina except for the Province of Buenos Aires and the Autonomous City of Buenos Aires, the national capital, each of which has different administrative arrangements.
The Rosario Department is an administrative subdivision (departamento) of the province of Santa Fe, Argentina. It is located on the south of the province, with its eastern border coinciding with the provincial border along the Paraná River. It has an area of 1,890 square kilometres (730 sq mi) and a population of 1.3 million, with a population density of about 700 inhabitants/km2. This department is the most populated in the province.
San Justo is a city in the center region of the province of Santa Fe, Argentina, 99 km north from the provincial capital. It had about 22,000 inhabitants at the 2010 census [INDEC] and it is the head town of the San Justo Department.
The San Lorenzo Department is an administrative subdivision (departamento) of Santa Fe Province, Argentina. It is located in the south of the province. It limits with the populous Rosario Department and the Paraná River in the east; and from there with the departments of Constitución (south), Caseros (east), Iriondo and San Jerónimo (north).
The Constitución Department is an administrative subdivision (departamento) of the province of Santa Fe, Argentina. It is located on the south of the province. It has about 83,000 inhabitants as per the 2001 census [INDEC]. Its head town is the city of Villa Constitución.
The Caseros Department is an administrative subdivision (departamento) of the province of Santa Fe, Argentina. It is located in the south of the province. Its head town is the city of Casilda.
The General López Department is an administrative subdivision (departamento) of the province of Santa Fe, Argentina. It is located in the south of the province. Its head town is Melincué, and its largest city is Venado Tuerto.
The Iriondo Department is an administrative subdivision (departamento) of the province of Santa Fe, Argentina. It is located in the south of the province. It limits with the departments of San Jerónimo in the north, San Lorenzo in the east, Caseros in the south, and Belgrano in the west. It is one of only three departments in Santa Fe that do not border another province.
The San Jerónimo Department is an administrative subdivision (departamento) of the province of Santa Fe, Argentina. It is located in the center-south of the province. It limits with the Paraná River in the east; and from there with the departments of San Lorenzo and Iriondo (south), Belgrano (southwest), San Martín (west), and Las Colonias and La Capital (north).
The La Capital Department is an administrative subdivision (departamento) of the province of Santa Fe, Argentina. It is located in the center-east of the province. It limits with the Paraná River in the east; and from there with the departments of San Jerónimo (south), Las Colonias (west), San Justo (north) and Garay (northeast).
The Belgrano Department is an administrative subdivision (departamento) of the province of Santa Fe, Argentina. It is located in the southwest of the province. It limits with the departments of San Martín (north), San Jerónimo (northeast), Iriondo (east), and Caseros (south); to the west it limits with the province of Córdoba.
The Castellanos Department is an administrative subdivision (departamento) of the province of Santa Fe, Argentina. It is located in the center-west of the province. It has about 162,000 inhabitants as per the 2001 census [INDEC]. Its head town is the city of Rafaela.
The Garay Department is an administrative subdivision (departamento) of the province of Santa Fe, Argentina. It is located in the center-east of the province. It has about 20,000 inhabitants as per the 2001 census [INDEC]. Its head town is the city of Helvecia. It is the least populated in the province.
The General Obligado Department is an administrative subdivision (departamento) of the province of Santa Fe, Argentina. It is located in the northeast of the province. It has about 166,000 inhabitants as per the 2001 census [INDEC]. Its head town is the city of Reconquista.
The Las Colonias Department is an administrative subdivision (departamento) of the province of Santa Fe, Argentina. It is located in the center of the province. Starting from the east and going clockwise, it limits with the departments of La Capital, San Jerónimo, San Martín, Castellanos, San Cristóbal, and San Justo. Las Colonias is thus one of only three provincial departments that do not share a border with another province.
The Nueve de Julio Department is an administrative subdivision (departamento) of the province of Santa Fe, Argentina. It is located in the northwestern corner of the province, limiting with the Vera Department in the east, and with the San Cristóbal Department in the south. To the north it limits with the province of Chaco, and to the west with the province of Santiago del Estero.
The San Cristóbal Department is an administrative subdivision (departamento) of the province of Santa Fe, Argentina. It is located in the center-northwest of the province, limiting with the departments of Nueve de Julio and Vera in the north, San Justo in the east, and Las Colonias and Castellanos in the south; to the west it shares a short border with the province of Córdoba and a longer one with Santiago del Estero.
The San Javier Department is an administrative subdivision (departamento) of the province of Santa Fe, Argentina. It is located on the northeast of the province, with its eastern border coinciding with the provincial border along the Paraná River.
The San Martín Department is an administrative subdivision (departamento) of the province of Santa Fe, Argentina. It is located in the center-south of the province. It limits with the departments of Castellanos (north), Las Colonias (north-east), San Jerónimo (east), and Belgrano (south); the western limit coincides with the interprovincial border between Santa Fe and Córdoba.
The Vera Department is an administrative subdivision (departamento) of the province of Santa Fe, Argentina. It is located in the center-north of the province. It limits Chaco Province to the north, and the departments of General Obligado (east), San Javier (south-east), San Justo (south), San Cristóbal (south-west), and Nueve de Julio (west).
Argentina 
