1. Oia is a picturesque village located on the northern tip of Santorini, Greece. It is known for its striking blue domes and whitewashed houses, which offer stunning views of the Aegean Sea and the island’s volcanic landscape. Interesting facts about Oia include:

- Oia was once a major seaport and commercial center of Santorini, but its economy shifted to tourism in the mid-20th century.

- The village has been hit by a number of devastating earthquakes and volcanic eruptions over the centuries, with the last major eruption occurring in 1956.

- Oia is home to a number of historic churches and chapels, including the Church of Panagia and the Church of Hypapante.

- The village is a popular spot for artists and writers, as well as honeymooners and other romantic travellers.

2. Most shops and restaurants in Oia are open from around 10am to 11pm during the summer months (May to September), with slightly shorter hours in the off-season. Phone numbers for individual businesses can usually be found online or through local tourist offices.

3. There are a few different ways to get to Oia, depending on your starting point. Those arriving by plane can take a taxi or bus from Santorini’s airport to Oia (about a 30 minute drive). Those arriving by ferry can take a bus or taxi to Oia from the port at Athinios (about a 45 minute drive). There is also a local bus service that runs between Oia and other towns and villages on the island. Entrance to the village is free of charge.