Title: List of countries where Spanish is an official language
Content:  Notes:
Title: List of countries where Spanish is an official language
Content:  Spanish is the official language (either by law or de facto) in 20 sovereign states and one dependent territory, totaling around 442 million people. It is additionally the main official language in Equatorial Guinea. In these countries and territories, Spanish is the main or mostly used language of communication of the vast majority of the population; official documents are written chiefly or solely in that language; and it is taught in schools and utilized as the primary medium of instruction as part of the official curriculum.
Title: Official languages of Spain
Content:  Spanish (sometimes called Castilian) is the only official language of the entire country and is spoken habitually and as a native language among a vast majority of the Spanish population. Spain is, along with Colombia and after Mexico and the United States, ranked third in the world as the country with the most Spanish speakers. Spanish is the only official language in Asturias, Cantabria, La Rioja, Aragon, Castile and León, Madrid, Castilla-La Mancha, Extremadura, Andalusia, the Canary Islands and the region of Murcia, as well as Ceuta, Melilla, and half of Navarre. It is also co-official with other languages in Catalonia, Balearic Islands, Valencia, Galicia, Basque Country and the Basque zone of Navarre. In all of the bilingual autonomous communities, with the exception of 
Title: List of countries where Spanish is an official language
Content:  Though not an official language at the national level, Spanish is regularly spoken by significant populations throughout these countries. Public services, education, and information are widely available in Spanish, as are various forms of printed and broadcast media.
Title: National language
Content:  Spain has one national constitutional language, Spanish or Castilian, but there are four other languages that are co-official in some territories: Galician language in Galicia, Basque in Euskadi and part of Navarre, Catalan language in Catalonia, Balearic Islands and Valencia (as Valencian), and Aranese in Val d'Aran.
Title: Languages of Spain
Content:  The languages of Spain (lenguas de España), or Spanish languages (lenguas españolas), are the languages spoken in Spain. Most languages spoken in Spain belong to the Romance language family, of which Spanish is the only language which has official status for the whole country. Various other languages have co-official or recognised status in specific territories, and a number of unofficial languages and dialects are spoken in certain localities.
Title: Spanish language
Content:  Most Spanish speakers are in Hispanic America; of all countries with a majority of Spanish speakers, only Spain and Equatorial Guinea are outside the Americas. Nationally, Spanish is the official language—either de facto or de jure—of Argentina, Bolivia (co-official with Quechua, Aymara, Guarani, and 34 other languages), Chile, Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, El Salvador, Guatemala, Honduras, Mexico (co-official with 63 indigenous languages), Nicaragua, Panama, Paraguay (co-official with Guaraní), Peru (co-official with Quechua, Aymara, and "the other indigenous languages" ), Puerto Rico (co-official with English), Uruguay, and Venezuela. Spanish has no official recognition in the former British colony of Belize; however, per the 2000 census, it is spoken by 43% of the population. Mainly, it is spoken by the descendants of Hispanics 
Title: Spaniards
Content:  For a specific analysis of the population of Spain, see Demographics of Spain Spaniards, or Spanish people, are a predominantly Romance-speaking ethnic group native to Spain. Within Spain, there are a number of national and regional ethnic identities that reflect the country's complex history, its diverse autochthonous peoples, various degrees and sources of admixture of historic foreign conquerors and migrants, cultures, including a number of different languages, both Indigenous and local linguistic descendants of the Roman-imposed Latin language, of which Spanish is now the majority language and the only one that is official throughout the whole country. Commonly spoken regional languages include, most 
Title: List of countries where Spanish is an official language
Content:  Spanish is a secondary language, alongside the official Arabic, in the Sahrawi Arab Democratic Republic, a former Spanish colony and now a partially recognized state that claims Western Sahara, whose territory is mostly occupied by Morocco. However, Spanish is not a native language in the territory and the Moroccan government uses Arabic and French in its administration of Western Sahara.
Title: List of countries where Spanish is an official language
Content:  [[File:Countries with Spanish as an official language.svg|thumb|600px| ]] The following is a list of countries where Spanish is an official language, plus a number of countries where Spanish or any language closely related to it, is an important or significant language.

Question: what countries have spanish as the national language?
Answer: Spain.