Santorini (or Thira, as it is also known as) is the southernmost island of the Cyclades. One of the most famous as well as the most visited Greek islands, it can become quite hectic in the summer. Yet, this is the best time to visit. Here are my top 9 tips to avoid falling into the tourist traps, and have the best experience.   Tip 1: Do not avoid Oia (but avoid the hordes of tourists)   Oia is one of the two main settlements on the west coast of the island (Fira is the other one). Built on a steep slope of the caldera, this charming hilltop village is worldwide…