Galessus or Galessos () was an ancient town on the island of
Syros
Syros ( ), also known as Siros or Syra, is a Greece, Greek island in the Cyclades, in the Aegean Sea. It is south-east of Athens. The area of the island is and at the 2021 census it had 21,124 inhabitants.
The largest towns are Ermoupoli, Ano S ...
.
[
Its site is located near Galissas.]
References
Populated places in the ancient Aegean islands
Former populated places in Greece
Syros
{{AncientAegean-geo-stub