The San Martín Department (in Spanish

Spanish language

Spanish , also known as Castilian , is a Romance language in the Ibero-Romance group that evolved from several languages and dialects in central-northern Iberia around the 9th century and gradually spread with the expansion of the Kingdom of Castile into central and southern Iberia during the...

, Departamento San Martín) is an administrative subdivision (departamento

Departments of Argentina

Departments form the second level of administrative division in the provinces of Argentina. There are no departments in the city of Buenos Aires, which has so far been divided into neighbourhoods as its administrative divisions, but is to be divided now into communes by a recently passed local act...

) of the province

Provinces of Argentina

Argentina is subdivided into twenty-three provinces and one autonomous city...

 of Santa Fe

Santa Fe Province

The Invincible Province of Santa Fe, in Spanish Provincia Invencible de Santa Fe , is a province of Argentina, located in the center-east of the country. Neighboring provinces are from the north clockwise Chaco , Corrientes, Entre Ríos, Buenos Aires, Córdoba, and Santiago del Estero...

, Argentina

Argentina

Argentina , officially the Argentine Republic , is the second largest country in South America by land area, after Brazil. It is constituted as a federation of 23 provinces and an autonomous city, Buenos Aires...

. It is located in the center-south of the province. It limits with the departments of Castellanos

Castellanos Department

The Castellanos Department is an administrative subdivision 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...

 (north), Las Colonias

Las Colonias Department

The Las Colonias Department is an administrative subdivision 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...

 (north-east), San Jerónimo

San Jerónimo Department

The San Jerónimo Department is an administrative subdivision of the . It is located in the center-south of the province...

 (east), and Belgrano

Belgrano Department, Santa Fe

The Belgrano Department is an administrative subdivision of the province of Santa Fe, Argentina. It is located in the southwest of the province...

 (south); the western limit coincides with the interprovincial border between Santa Fe and Córdoba

Córdoba Province (Argentina)

Córdoba is a province of Argentina, located in the center of the country. Neighboring provinces are : Santiago del Estero, Santa Fe, Buenos Aires, La Pampa, San Luis, La Rioja and Catamarca...

.

The department has over 60,000 inhabitants. Its head town is Sastre

Sastre, Santa Fe

Sastre is a town in the west of the province of Santa Fe, Argentina, 139 km west from the provincial capital. It has about 5,500 inhabitants as of the and it is the head town of the San Martín Department....

. Other towns and cities are Cañada Rosquín

Cañada Rosquín

Cañada Rosquín is a small town in the . It is located in the San Martín Department, from the provincial capital . It has a population of about 5,000 inhabitants .The town was founded in 1891 by Rafael Escriña...

, Carlos Pellegrini

Carlos Pellegrini, Santa Fe

Carlos Pellegrini is a town in the center-west of Santa Fe Province, Argentina.According to the 2001 census, it has 5,062 inhabitants: 2,555 women and 2,507 men...

, Casas, Castelar, Colonia Belgrano, Crispi, El Trébol

El Trébol

El Trébol is a small city in the San Martín Department, west-center of the province of Santa Fe, Argentina, 179 km from the provincial capital. It has about 10,500 inhabitants as per the...

, Landeta, Las Bandurrias, Las Petacas, Los Cardos, María Susana, Piamonte, San Jorge, San Martín de Las Escobas, and Traill.