From the point of view of the history of architecture the Theaterplatz is the most important square of Dresden. It is surrounded by a rich in contrast conglomerate, composed of the architectural styles Baroque, Renaissance and Classicism – the baroque Catholic Hofkirche, Dresden Castle (Renaissance), the classical Schinkelwache of Altstadt (Old town), the baroque Zwinger Palace, the Old Masters Picture Gallery (Gemäldegalerie/Sempergalerie), the Semper Opera House (neo- Renaissance), and the Italian Village (Classicism).