What are the most important landmarks in Warsaw’s Old Town?

The Old Town of Warsaw, a designated World Heritage site, features several significant landmarks that were carefully reconstructed following the destruction of World War II. Key sites include:1

• St. John’s Cathedral: A prominent Gothic structure dating back to the medieval period.1
• The Barbican: Red-brick fortifications that serve as a remnant of the city's medieval defensive walls.1
• Old Town Market Square: The heart of the district, featuring houses rebuilt in their 15th-century style.1
• Royal Castle: A magnificently reconstructed residence located on Zamkowy Square, decorated in the style of the late 18th century.1
• Jesuit Church: A notable Baroque church situated adjacent to the cathedral.1

These landmarks represent the historical character of the city, which has been meticulously restored to preserve its cultural heritage.1