Gulf of Euboea
The Gulf of Euboea, Euboean Gulf, Euboic Sea or Euboic Gulf is an arm of the Aegean Sea between the island of Euboea and the Greek mainland. Trending diagonally northwest-southeast, the gulf is divided by the narrow Strait of Euripus, at the town of Chalcis. The North Euboean Gulf is about 50 miles long and up to 15 miles wide, and the South Euboean Gulf is about 30 miles long, with a maximum width of 9 miles.