The Palais de Justice in Paris (located on the Île de la Cité) played a significant role throughout the French Revolution. Before the revolution, it served as the main judicial center of the kingdom, housing important courts such as the Parlement de Paris. The site has historical roots tracing back to the Roman period and was later developed into a royal palace during the medieval period. During the Ancien Régime, it became the principal seat of judicial power in France. As the revolution progressed, the Palais de Justice transitioned into a hub for revolutionary tribunals. After the fall of the monarchy, the revolutionary authorities utilized its courts to try those accused of counter-revolutionary activities. Between 1793 and 1794, during the Reign of Terror (a period marked by extensive political purges and executions), the Revolutionary Tribunal was established on the premises. This tribunal was crucial in the prosecution of perceived enemies of the revolution, including high-profile figures like Marie Antoinette, who was tried and executed in 1793. The Tribunal de la Révolution operated under severe and often arbitrary measures, contributing significantly to the atmosphere of fear and suspicion. Its proceedings were characterized by expedited trials and a high rate of convictions, leading to widespread executions. The Palais de Justice, therefore, became synonymous with the intense political repression of the period. Noteworthy is the role played by public prosecutors like Antoine Quentin Fouquier-Tinville, who became infamous for his relentless pursuit of convictions. Aside from the tribunals, the Palais de Justice also saw changes in its administrative structures. With the abolition of the feudal order, the judicial system underwent reforms aimed at decentralizing and democratizing judicial proceedings across France. However, the centralized judiciary in Paris continued to exert considerable influence during the revolution. Ultimately, the Palais de Justice remains a testament to the tumultuous period of the French Revolution, reflecting both its judicial history and its transformation during one of France's most transformative eras.