42°41′40″N 23°19′58″E / 42.694456°N 23.332893°E / 42.694456; 23.332893 The National Assembly (Народно събрание, Narodno săbraniе) is the unicameral parliament and legislative body of the Republic of Bulgaria.

The Bulgarian National Assembly was established in 1879 with the Tarnovo Constitution. During the communist period between 1946 and 1989, the National Assembly was the supreme organ of state power and the only branch of government in Bulgaria and, in accordance with the principle of unified power, all state organs were subservient to it. Most of the National Assembly's actions were characterized as a rubber stamp for the Bulgarian Communist Party (BKP) or as only being able to affect issues of low sensitivity and salience to the Bulgarian communist regime. The BCP controlled nomination and election processes at every level in its political system, allowing it to stamp out any opposition.

Three types of candidates participate in the elections: parties, coalitions and independent candidates. Every citizen who has the right to vote can do so for one candidate. The ratio of the number of valid votes for the candidate relative to the total number of valid votes gives the candidate the support of voters. The Central Election Commission is the institution responsible for all elections in the country.

The National Assembly is composed of parliamentary groups and independent members, with parliamentary groups representing a political party, and they, in turn, represent their voters.

By the Constitution (Art. 62 to 91), The National Assembly consists of 240 members elected for a four-year term, elected by proportional representation in multi-seat constituencies. Political parties must garner a minimum of 4% of the national vote in order to enter the Assembly. Bulgaria has a multi-party system. In order to be eligible as an MP, you must be only a bulgarian citizen. Bulgarian citizens who hold another citizenship as well, and who have been resident in Bulgaria during the last eighteen months. The citizen must be over the age of 21 years, who are not interdicted, and who do not serve a custodial sentence.

The National Assembly is responsible for enactment of laws, approval of the state budget, scheduling of presidential elections, selection, and dismissal of the Prime Minister and other ministers, declaration of war, concluding peace and deployment of troops outside Bulgaria, declares a state of war or other state of emergency on the proposal of the President or the Cabinet, grants amnesty, and ratification of international treaties and agreements. It is headed and presided by the Chairperson of the National Assembly of Bulgaria.

The Assembly administers the publication of the State Gazette, Bulgaria's gazette of record.

The National Assembly is inaugurated by the eldest attending elected attending member of Parliament. On the first day of sitting, they preside over the election of the Speaker (Chairperson) and Deputy speakers, form the parliamentary groups, and appoint the secretaries of the Assembly.