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Main Square (Rynek Główny)
Laid out in the 13th century, this is one of the largest medieval town squares in Europe, at about 3.8 hectares. It was rebuilt in 1257 after the Mongol attack of 1241. Around it stand the Cloth Hall, St Mary’s Basilica, the Town Hall Tower, the Mickiewicz Monument and the small church of St Adalbert.
- Cost
- Free. Town Hall Tower PLN 22, reduced PLN 16; free on Mondays; open 8 March–30 November (2026, check)
- Time needed
- 1–2 hours
- Best time
- Early morning or evening
Insider tip: Below the square, the Rynek Underground museum shows the medieval market (opened 2010). It costs PLN 45, reduced PLN 35, and is free on Tuesdays (limited) and closed on the 2nd Monday of the month (2026, check).
Skip it if: Never – everything starts here.