| La Unión | |
| Native Name Lang: | es |
| Settlement Type: | Canton |
| Pushpin Map: | Costa Rica |
| Pushpin Map Alt: | La Unión canton location in Costa Rica |
| Pushpin Map Caption: | La Unión canton location in Costa Rica |
| Coordinates: | 9.9136°N -83.9944°W |
| Map Alt: | La Unión canton |
| Established Title: | Creation |
| Established Date: | 7 December 1848[1] |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Cartago |
| Seat Type: | Head city |
| Seat: | Tres Ríos |
| Government Type: | Municipality |
| Governing Body: | Spanish; Castilian: Municipalidad de La Unión |
| Parts Type: | Districts |
| Parts Style: | list |
| Parts: | Districts |
| P1: | Tres Ríos |
| P2: | San Diego |
| P3: | San Juan |
| P4: | San Rafael |
| P5: | Concepción |
| P6: | Dulce Nombre |
| P7: | San Ramón |
| P8: | Río Azul |
| Area Total Km2: | 44.83 |
| Elevation M: | 1331 |
| Population Total: | 99399 |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
| Blank Name: | Canton code |
| Blank Info: | 303 |
La Unión is a canton in the Cartago province of Costa Rica.[2] [3] The head city is in Tres Ríos district.
A story tells of a group of Spanish missionaries from a convent in Guatemala, arriving accompanied by Indians of different cultural groups. The small town they established was called Spanish; Castilian: La Unión, meaning The Union, to commemorate their friendliness and brotherhood.
La Unión was created on 7 December 1848 by decree 167.
La Unión has an area of km2[4] and a mean elevation of metres.La Unión is a compact canton situated midway between the national capital of San José and the former colonial capital city of Cartago.
The canton of La Unión is subdivided into the following districts:
For the 2011 census, La Unión had a population of inhabitants.[5]
The Lycée Franco Costaricien, a French international school, is in Concepción district.[6]
The canton is covered by the following road routes:
The Interurbano Line operated by Incofer goes through this canton.