The settlement of Fira, built on the caldera, is the capital of Santorini island. It was founded in the late 18th century, when the Skaros castle in Imerovigli was abandoned.

Just below Fira lies Gialos, the old harbor of Santorini. If you want to go from the port to Fira, you have multiple options, ranging from a modern teleferic, to traditional donkeys or a nice walk.
Fira is the center of all activity in Santorini. Here you will literally find everything. Luxury hotels, inns, shops for all tastes, jewelers, galleries, restaurants, bars.. Whatever you wish for, you will find it in Fira.

Besides the unique view that accompanies you in each step you take, there are many worth seeing museums, among which is the Museum of Prehistoric Thira in Thira and the Archaeological Museum of Santorini.