[tsimionescu]

Minor note: it's El Salvador (The Savior), not San Salvador (Holy/Saint Savior).

[elros]

https://en.m.wikipedia.org/wiki/Metonymy

San Salvador is the capital, like saying Moscow to refer to Russia.

[JumpCrisscross]

Thanks! I was trying to remember the term.

[function_seven]

El Salvador is the country, "San Salvador" is standing in for "The Government of El Salvador". Or the leadership, executive, etc.

Like when news articles say, "U.S. trade deficits are widening. Washington appears to be pursuing domestic development efforts rather than the protectionist measures floated by many".