Greece Etias is a popular vacation destination in southern Europe. It's among the countries that make up the so-called Aegean Region, that is chiefly composed of islands in the Mediterranean Sea and islands encircling it in the Ionian Sea and the Tyrrhenian Sea. It is also a gateway to the Troodos Mountains, which is among the most striking mountains in all of Europe. In addition to this, Greece has some of the most beautiful beaches on the planet because of the many islands which surround it.