The Congress of Deputies is the lower house of the Cortes Generales, the legislative body of Spain. It consists of 350 members, known as deputies, who are elected every four years through a proportional representation system. The Congress plays a crucial role in shaping laws, approving budgets, and overseeing the government. The Congress of Deputies meets in the Palacio de las Cortes in Madrid. It has the authority to propose and amend legislation, as well as to debate and vote on various issues affecting the country. The Congress also holds the power to elect the Prime Minister of Spain.