San Luis is a municipality

Municipalities of the Dominican Republic

The provinces of the Dominican Republic are divided into two or more municipalities with the exception of the Distrito Nacional which consist of only one municipality Santo Domingo...

 (municipio

Municipio

Municipio and Município are terms used for country subdivisions. They are often translated as municipality.-Overview:...

) of the Santo Domingo province in the Dominican Republic

Dominican Republic

The Dominican Republic is a nation on the island of La Hispaniola, part of the Greater Antilles archipelago in the Caribbean region. The western third of the island is occupied by the nation of Haiti, making Hispaniola one of two Caribbean islands that are shared by two countries...

. . The District Municipality became a municipality on September 30, 2011.

As of the 2011 census estimate the municipality, then a municipal district of the Santo Domingo Este

Santo Domingo Este

Santo Domingo Este is a municipality and the provincial capital of the Santo Domingo province in the Dominican Republic. Within the municipality there is one municipal district : San Luis.....

 municipality, had 207,878 inhabitants, 98,891 living in the city itself and 108,987 in its rural district

District

Districts are a type of administrative division, in some countries managed by a local government. They vary greatly in size, spanning entire regions or counties, several municipalities, or subdivisions of municipalities.-Austria:...

s (Secciones).

For comparison with other municipalities and municipal districts see the list of municipalities and municipal districts of the Dominican Republic.