Here are 10 Greek islands that are popular for summer vacations:
Santorini - known for its iconic blue-domed buildings and stunning sunsets
Mykonos - a popular party destination with beautiful beaches
Crete - the largest and most diverse of the Greek islands, with a mix of history, culture, and beautiful beaches
Rhodes - a historical island with a combination of sandy beaches and charming old towns
Corfu - an island with a combination of Greek and Venetian influences and beautiful beaches and resorts
Zakynthos - an island with beautiful beaches, including the famous Navagio Beach
Paros - an island with charming towns, beautiful beaches, and a laid-back atmosphere
Hydra - an island with a rich history and a lovely, car-free town centre
Kefalonia - an island with beautiful beaches, as well as caves and hiking trails to explore
Naxos is an island with a mix of sandy beaches and charming villages, with a history dating back to ancient Greece.
Again, these are just a few options, and many other Greek islands could also be excellent for a summer vacation. It depends on your interests and what you're looking for in a vacation destination.