Where is the language castilian spoken in?

Castilian, also known as Spanish, is spoken in many countries around the world. Here's a breakdown:

Native language:

* Spain: Castilian is the official language of Spain.

* Latin America: The majority of Latin American countries have Spanish as their official language, including:

* Mexico

* Argentina

* Colombia

* Chile

* Peru

* Venezuela

* Ecuador

* Cuba

* Dominican Republic

* Bolivia

* Guatemala

* Honduras

* Nicaragua

* Panama

* Paraguay

* Uruguay

* Costa Rica

Other countries:

* United States: There is a large Hispanic population in the US, particularly in the southwestern states, where Spanish is widely spoken.

* Equatorial Guinea: Spanish is an official language alongside French and Portuguese.

* Philippines: Spanish was once the official language of the Philippines but is now considered a "second language" and is spoken by a smaller segment of the population.

Total number of speakers:

* Native speakers: Over 500 million

* Total speakers: Over 540 million (including those who speak it as a second language)

Important note: While "Castilian" and "Spanish" are often used interchangeably, technically Castilian refers specifically to the dialect of Spanish spoken in Castile, Spain. However, in most contexts, the two terms are used synonymously to refer to the language as a whole.