The term "castellano" is, for most purposes, an alternate way of saying "Spanish" in reference to language. It derives from the city of Castile.
Aragones and Castellano
The country is Chile and the language spoken is Spanish (Castellano).
Castellano is another name for European Spanish. Spanish is spoken in Spain because it originated there.
Castellano typically refers to a collection of European Spanish dialects that are spoken in Northern and Central Spain. Grammar and pronunciation can vary between European Spanish dialects and Mexican Spanish dialects.
They speak Spanish, of course, of the Castillian variety, that is, "castellano."
Paul Castellano had four siblings: Constantino "Gus" Castellano, Joseph Castellano, Blanche Castellano, and Catherine Castellano.
... Spanish. Other languages spoken in Spain are the two primary dialects of Spanish, Castellano and Aragonese. Catalan is also spoken in Spain as is Occitan.
Paul Castellano's birth name is Constantino Castellano.
Perry Castellano's birth name is Perry Francis Castellano.
Torry Castellano's birth name is Torrance Heather Castellano.
They speak Spanish, of course, of the Castillian variety, that is, "castellano."
Oscar Castellano was born in 1948.