This small island in Greece is Europe's most crowded destination

Zakynthos in Greece has nearly 150,000 tourists to every 1,000 residents, according to Which? Travel. — Pexels

A new study highlights the destinations in Europe that are particularly subject to pressure from high levels of tourism, taking into account both the surface area of the sites and the number of residents.

The study, reported by The Guardian, sheds some light on the European destinations facing overwhelming levels of tourism.