Spanish is a Romance language in the Ibero Romance group in the northern part of Iberian Peninsula. Latin is the foundation of the Spanish Language. It is introduced to the Iberian Peninsula by Romans during 210 BC. It is the third most spoken language after English and Chinese. It is the official language in Spain. It is also an official language in European Union.nd is one of the six official languages of the United Nation.Mexico has the largest population of Spanish speaking locals. There are about 3 million people who speak Spanish as their native language, and 4 million people speak it worldwide. Spanish language developed through history and influence of neighboring related languages.
In Spain and in some part of the Spanish speaking communities, rarely they use the term español (Spanish) to refer to this language, even when contrasting it with languages such as French and English. Rather, people call it castellano (Castilian), that is, the language of the Castile region. In the 1978 Spanish Constitution, Castilian was declared as the official language of the whole Spain. uses the term castellano to define the official language of whole Spain, as opposed to las demás lenguas españolas (lit. the rest of the Spanish languages).