Last week, a new policy passed in San Francisco that shocked the nation. 1  San Francisco passed one of the nationâs toughest bans on the use of materials made of polystyrene foam, which is more commonly known as Styrofoam. Items such as foam packing peanuts, cups and mooring buoys will be prohibited in the county beginning January 2017.
The federal government, located in San Juan, is represented by 2 district judges and the procurator, who is named by the President of the United States. The Federal Court has final authority of the ELA. Puerto Rico is divided into 78  municipios  (municipalities).
Major Cities in Puerto Rico. San Juan is the capital and most populous municipality in Puerto Rico. As of the 2000 census, it has a population of 433,733, making it the 42nd-largest city in the United States. San Juan was founded by Spanish colonists in 1521, who called it Ciudad de Puerto Rico (Rich Port City).