This cathedral is one of the most famous buildings on the island and in the town of Thira in particular, as it is very old and dates back to the year 1204, and the cathedral is located in the heart of the city, so it is easily accessible. It is distinguished by its yellow color, which makes it distinct from the white buildings that surround it, as well as the magnificent clock tower attached to it, and from the inside, visitors will find a golden altar and amazing murals.