Constitution of Spain in the context of "Autonomous communities of Spain"

The current Spanish constitution refers to the monarchy as "The Crown" and the constitutional title of the monarch is simply rey/reina de España: that is, "king/queen of Spain". However, the constitution allows for the use of other historic titles pertaining to the Spanish monarchy, without specifying them. A royal decree promulgated 6 November 1987 at the Council of Ministers regulates the titles further, and on that basis the monarch of Spain has a right to use ("may use") those other titles appertaining to the Crown. Contrary to some belief, the long titulary that contains the list of over 20 kingdoms is not in state use, nor is it used in Spanish diplomacy. In fact, it has never been in use in that form, as "Spain" was never a part of the list in the pre-1837 era when the long list was officially used.

Spain, mentioned differently in the titulary depending on which monarch was reigning, was for more than three centuries also symbolized by the long list that started "... of Castile, León, Aragón, ..." The following long titulary in the feudal style was last used officially in 1836 by Queen Isabella II (see the account of titulary in her article) before she became constitutional queen.

The Statute of Autonomy of Melilla (Spanish: Estatuto de Autonomía de Melilla) is the basic institutional norm of the autonomous city of Melilla, in Spain. It is an organic law approved on 13 March 1995 and published in the Official State Gazette (Boletín Oficial del Estado) the following day, together with the equivalent of the city of Ceuta. It established Melilla as an autonomous city, because before it was a municipality belonging to the province of Málaga. It was the result of a 17-year process that originated from the Fifth Transitory Provision of the Constitution of 1978 that allowed the subsequent constitution of Ceuta and Melilla in autonomous communities.

The Political Constitution of the Spanish Monarchy (Spanish: Constitución Política de la Monarquía Española), also known as the Constitution of Cádiz (Spanish: Constitución de Cádiz) and nicknamed La Pepa, was the first Constitution of Spain and one of the earliest codified constitutions in world history. The Constitution was ratified on 19 March 1812 by the Cortes of Cádiz, the first Spanish legislature that included delegates from the entire nation and its possessions, including Spanish America and the Philippines. "It defined Spanish and Spanish American liberalism for the early 19th century."

With the notable exception of proclaiming Roman Catholicism as the official and sole legal religion in Spain, the Constitution was one of the most liberal of its time: it affirmed national sovereignty, separation of powers, freedom of the press, free enterprise, abolished corporate privileges (fueros), and established a constitutional monarchy with a parliamentary system. It was one of the first constitutions that allowed universal male suffrage, with some exceptions, through a complex indirect electoral system. It extended political rights for representation to Spanish America and the Philippines, a significant step for the demands of overseas-born Spaniards.

King Juan Carlos I of Spain announced his pending abdication from the throne on 2 June 2014. An organic law permitting the abdication, required by the 1978 Constitution in its article 57.5, was drafted by the government and approved by the Cortes Generales, and was formally signed on 18 June during a ceremony in the Hall of Columns [es] of the Royal Palace of Madrid. The abdication became effective when it was published in the Official State Gazette at midnight on 19 June.

The Prince of Asturias, Felipe de Borbón y Grecia, succeeded the throne under the name Felipe VI on the abdication of his father. Juan Carlos retained the title of king emeritus with ceremonial functions entrusted to him by Felipe.

The prime minister of Spain, officially the president of the Government (Spanish: Presidente del Gobierno), is the head of government of Spain. The prime minister nominates the ministers and chairs the Council of Ministers. In this sense, the prime minister establishes the Government policies and coordinates the actions of the Cabinet members. As chief executive, the prime minister also advises the monarch on the exercise of their royal prerogatives.

Although it is not possible to determine when the position actually originated, the office of prime minister evolved throughout history to what it is today. The role of prime minister (then called Secretary of State) as president of the Council of Ministers, first appears in a royal decree of 1824 by King Ferdinand VII. The current office was established during the reign of Juan Carlos I, in the 1978 Constitution, which describes the prime minister's constitutional role and powers, how the prime minister accedes to, and is removed from office, and the relationship between the prime minister and Parliament.