Where was Lo que le Pasó a Santiago filmed?

1989 film by Jacobo Morales

Lo que le Pasó a Santiago (1989) was filmed in San Juan, Santa Isabel and Old San Juan Historic District, 3 places named in its Wikipedia article, in Puerto Rico. Wikidata records no filming location for it at all, so the article is the only recorded source. Each place says where its claim comes from.

See them on the map → Wikipedia Source data

Places per Wikipedia's article

The Wikipedia article names 3 places. Each links to the sentence that says so.