Mavro and Kokkino Vouno volcanos
To the east of Oia there are two neighboring volcanic cones – Mavro (Megalo) Vouno (331 m a.s.l.) and Kokkino Vouno (293 m a.s.l.). They were active volcanoes about 50 – 70 thousand years ago.
Museum of Musical Instruments in Oia
Museum of Ancient, Byzantine and Post-Byzantine Musical Instruments in Oia. he museum houses the private collection of Christodouloas Halaris, an outstanding researcher and expert on Greek music.
Naval Museum in Oia
The museum was founded in 1956 by captain Antonis Dakoronias, who a few years earlier began collecting souvenirs related to the maritime history of Oi and Santorini.
Oia Castle
The ruins of the Venetian castle of Agios Nikolaos. Although not much remains of the castle, it is one of the biggest attractions of Santorini and one of the most popular and most crowded places to watch the famous Santorinian sunset.
Oia’s Main Street
The promenade stretches along the whole town, and delivers beautiful views of the entire caldera. The most known and representative part (Nikolaou Nomikou Street) is lined with 19th-century marble.