In Spanish towns and cities, the Policia Municipal (Municipal Police

Municipal police

.Municipal police are law enforcement agencies that are under the control of local government, including the municipal government, where it is the smallest administrative subdivision. They receive pay from the city budget, and usually have fewer rights than the "state paid" police...

), also known as the Policia Local or Guardia Urbana, is a police force organized at the municipal level.
In towns and villages that are too small to organize a force, their function is performed by the Guardia Civil

Civil Guard (Spain)

The Civil Guard is the Spanish gendarmerie. It has foreign peace-keeping missions and maintains military status and is the equivalent of a federal military-status police force. As a police force, the Guardia Civil is comparable today to the French Gendarmerie, the Italian Carabinieri and the...

 or Autonomous Community

Autonomous communities of Spain

An autonomous community In other languages of Spain:*Catalan/Valencian .*Galician .*Basque . The second article of the constitution recognizes the rights of "nationalities and regions" to self-government and declares the "indissoluble unity of the Spanish nation".Political power in Spain is...

force, assisted by uniformed municipal employees with limited law enforcement authority called "Vigilantes Municipales", where such exists.
They are usually armed.