Hofburg Palace is the former imperial palace in the centre of Vienna, Austria. Part of the palace forms the official residence and workplace of the President of Austria. Built in the 13th century and expanded in the centuries since, the palace has housed some of the most powerful people in European and Austrian history, including monarchs of the Habsburg dynasty, rulers of the Austro-Hungarian Empire. It was the principal imperial winter residence, as Schönbrunn Palace was their summer residence.
The Hofburg area has been the documented seat of government since 1279 for various empires and republics. The Hofburg has been expanded over the centuries to include various residences (with the Amalienburg), the Imperial Chapel (Hofkapelle or Burgkapelle), the Naturhistorisches Museum and Kunsthistorisches Museum, the Austrian National Library (Hofbibliothek), the Imperial Treasury (Schatzkammer), the Burgtheater, the Spanish Riding School (Hofreitschule), the Imperial Horse Stables (Stallburg and Hofstallungen), and the Hofburg Congress Center.