Q:Information:  - Communist Party of Aragon ( in Spanish : Partido Comunista de Aragón , in Aragonese : Partiu Comunista d'Aragón ) , is the federation of the Communist Party of Spain ( PCE ) in Aragon .  - Teruel is a town in Aragon, located in eastern Spain, and is also the capital of Teruel Province. It has a population of 35,675 in 2014 making it the least populated provincial capital in the country. It is noted for its harsh climate (hot in summer and very cold in winter), its renowned "jamón serrano" (cured ham), its pottery, its surrounding archaeological sites, rock outcrops containing some of the oldest dinosaur remains of the Iberian Peninsula, and its famous events: "" during the weekend closer more to the 10th July (Friday, Saturday, Sunday and Monday), and "Bodas de Isabel de Segura" around the third weekend of February.  - Zaragoza (or ), also called Saragossa in English, is the capital city of the Zaragoza province and of the autonomous community of Aragon, Spain. It lies by the Ebro river and its tributaries, the Huerva and the Gállego, roughly in the center of both Aragon and the Ebro basin.  - Aragon (or , Spanish and , or ) is an autonomous community in Spain, coextensive with the medieval Kingdom of Aragon. Located in northeastern Spain, the Aragonese autonomous community comprises three provinces (from north to south): Huesca, Zaragoza, and Teruel. Its capital is Zaragoza (also called "Saragossa" in English). The current Statute of Autonomy declares Aragon a "nationality" of Spain.  - Spain, officially the Kingdom of Spain, is a sovereign state largely located on the Iberian Peninsula in southwestern Europe, with two large archipelagos, the Balearic Islands in the Mediterranean Sea and the Canary Islands off the North African Atlantic coast, two cities Ceuta and Melilla in the North African mainland and several small islands in the Alboran Sea near the Moroccan coast. Its mainland is bordered to the south and east by the Mediterranean Sea except for a small land boundary with Gibraltar; to the north and northeast by France, Andorra, and the Bay of Biscay; and to the west and northwest by Portugal and the Atlantic Ocean. It is the only European country to have a border with an African country (Morocco) and its African territory accounts for nearly 5% of its population, mostly in the Canary Islands but also in Ceuta and Melilla.  - Huesca is a city in north-eastern Spain, within the autonomous community of Aragon. It is also the capital of the Spanish province of the same name and of the comarca of Hoya de Huesca. In 2009 it had a population of 52,059, almost a quarter of the total population of the province. The city is one of the smallest provincial capitals in Spain.  - The Kingdom of Aragon (, ) was a medieval and early modern kingdom on the Iberian Peninsula, corresponding to the modern-day autonomous community of Aragon, in Spain. It should not be confused with the larger Crown of Aragon, that also included other territories  the Principality of Catalonia (which included the County of Barcelona and the other Catalan Counties), the Kingdom of Valencia, the Kingdom of Majorca, and other possessions that are now part of France, Italy, and Greece  that were also under the rule of the King of Aragon, but were administered separately from the Kingdom of Aragon.    After reading the paragraphs above, we are interested in knowing the entity with which 'communist party of aragon' exhibits the relationship of 'headquarters location'. Find the answer from the choices below.  Choices: - barcelona  - canary islands  - europe  - gibraltar  - huesca  - melilla  - morocco  - portugal  - rock  - spain  - zaragoza
A:
zaragoza