<P> In English, Castilian Spanish sometimes refers to the variety of Peninsular Spanish spoken in northern and central Spain or as the language standard for radio and TV speakers . In Spanish, the term castellano (Castilian) usually refers to the Spanish language as a whole, or to the medieval Old Spanish language, a predecessor to modern Spanish . </P> <P> The term Castilian Spanish can be used in English for the specific varieties of Spanish spoken in north and central Spain . Sometimes it is more loosely used to denote the Spanish spoken in all of Spain as compared to Spanish spoken in Latin America . There are several different varieties of Spanish, which should not be confused with the other official and non official languages in Spain, of which Castilian is only the most prominent because it is the only one official throughout the whole national territory . </P>

What's the difference between spanish and castellano
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