Sigri is a small fishing village near the western tip of Lesbos Island. Its name derives through Greek σίγουρος from the Venetian word siguro, meaning "safe", based on the fact that it has a safe harbour.
Megalonisi also Nisiopi, is a long island near the west coast of the island Lesbos, North Aegean, Greece. It is situated in front of Sigri's harbour, and stretches across the mouth of the bay and acts as a buffer to the prevailing winds.
The Castle of Sigri was constructed in 1757 by Suleiman Pasha, who is also considered responsible for the erection of Sigri’s Ottoman mosque, bathhouse, school and large aqueduct structures.
Kavalouros Reef also Sedousa. Quite an important island with great height and area.