Palea Kameni is a volcanic islet located in the Aegean Sea next to Nea Kameni, west of Santorini island. 

It is known for its geothermal activity and hot springs, which attract many tourists seeking a unique natural spa experience. 

Visitors can take a boat tour to the islet and soak in the hot spring waters while enjoying the stunning views of the volcanic cliffs and crystal clear waters. 

While there, visitors can also explore the small chapel of St. Nicholas, dedicated to the patron saint of sailors. 

Palea Kameni’s volcanic activity adds to its allure and makes it a one-of-a-kind destination for those seeking adventure and relaxation in the natural beauty of Greece