Evripos Strait, Khalkis, Greece June 1996 The Evripos Strait, separating Evvoia Island (upper portion of the image) and the Greek mainland (bottom portion of the image) can be seen in this near-nadir view. The city of Khalkis is located at the northwestern end of the Evripos Strait on the island of Evvoia. A bridge (not discernible) connects Khalkis with the Greek mainland across the strait. Khalkis is the capital of the Evvoia Island prefecture. The city is a trade center for wine, cotton and citrus fruit. The great Greek Philosopher, Aristotle died here in 322 B.C. Evvoia Island is one of the largest of the Greek Islands and is mountainous with fertile valleys. Evvoia Island is 90 miles (145 km) long and between 4 miles (6 km) and 30 miles (48 km) wide and covers an area of 1467 sq. miles (3800 sq. km). Magnesite and lignite are mined, and marble is quarried on the island.