The new Archaeological Museum of Patras, opened in 2009, is one of the best regional museums in Greece and worth seeking out beyond its immediate city context. The collection covers the archaeology of the broader Achaia region from prehistoric times through the Roman period, with particular strength in Roman mosaics — Patras was an important Roman colony called Colonia Augusta Aroe Patrensis, and the wealth of Roman material recovered from the area is exceptional.
The mosaic collection is the standout: room-sized floor mosaics from Roman villas in the region show mythological scenes, hunting tableaux, and geometric patterns in remarkable detail and preservation. These are not fragments or reconstructions but intact floors lifted and displayed with the original sections intact. The museum also holds an excellent collection of Mycenaean and Classical material from sites across Achaia, and the building itself — modern, purpose-built, well-lit — makes the displays accessible in a way that many older Greek museums do not manage. Allow at least two hours. The museum is north of the city centre, easily reached on foot from Georgiou Square.