The Corinth Canal in Greece. Brief info:
-- The Corinth Canal (Greek: Dhioryga tis Korinthou) is a canal that connects the Gulf of Corinth with the Saronic Gulf in the Aegean Sea. It cuts through the narrow Isthmus of Corinth and separates the Peloponnese from the Greek mainland, arguably making the peninsula an island.
-- Construction started in 1881. It was completed in 1893. The canal was proposed in classical times and an abortive effort was made to build it in the 1st century CE.
Greek Islands are divided to 8 Groups
-- The Greek archipelago comprises: ± 3,000 islands and islets - ± 12,900 km of coast on a national total of ± 19,900 km surface area ± 131.950 km². Only 227 islands are inhabited. These islands were the cradle of some of the oldest European civilizations (Cycladic, Mycenaean, Minoan).