Nea Kameni is a volcanic island located in the center of the Santorini caldera in Greece. It emerged from underwater eruptions in the 16th century and is part of the Santorini archipelago. The island is characterized by its rugged landscape, black lava rocks, and hot springs, making it a popular destination for tourists and researchers alike. Visitors can explore the island through hiking trails that lead to the summit of the volcano, where they can witness the crater and enjoy panoramic views of the surrounding sea and islands. Nea Kameni is also an important site for studying volcanic activity and geology.