Spetses is one of the most known island of Argosaronikos. It is a top touristic destination for vacations and thats exactly how the approximately 4.000 residents of the island multiply each summer. The island's length is over 22 square km The capital is the city of Spetses( or simply Spetses ), which is located on its west part, while the island Spetsopoula is also under its administration. During the 20th century tourism in Spetses gradually evolved, attracting thousands of visitors in the island and thus converting it to a cosmopolitan destination ideal for vacations.

Spetses is almost at the entrance of Argolikos Gulf, in a short distance from the Peloponnesean shores (Porto Heli, Costa), while in the east there is the island of Hydra. Spetses has the shape of an egg with max.length 4 square km and width 2.5. The island is mainly pine, although due to fires less than in the past, and a vast part is being cultivated. The highest peak of the island is Prophet Elias, with 245m height.

The climate is Mediterranean and cool, the best for vacations In the past, residents were intensively involved in marine and fisheries, something also carried out today, even though in a lesser extent due to the great focus on tourism.