Athens - capital and largest city of Greece, dominates the Attica region and is one of the world's oldest cities, with its recorded history spanning around 3,400 years, and the earliest human presence around the 11th–7th millennium BC. Athens is recognised as a global city because of its geo-strategic location and its importance in finance, commerce, media, entertainment, arts, international trade, culture, education and tourism. It is one of the biggest economic centres in southeastern Europe, with a large financial sector, and its port Piraeus is the largest passenger port in Europe, and the third largest in the world.
Hydra - Saronic Island, located in the Aegean Sea, separated from the Peloponnese by a narrow strip of water. In ancient times, it was known as Hydrea, a reference to the springs on the island.
Poros - small Greek island-pair in the southern part of the Saronic Gulf, separated from the Peloponnese by a 200 m wide sea channel, with the town of Galatas on the mainland across the strait.
Aegina - Saronic Island 27 km from Athens. Tradition derives the name from Aegina the mother of the hero Aeacus, who was born on the island and became its king. During ancient times Aegina was a rival of Athens, the great sea power of the era.
The Corinth Canal connects the Gulf of Corinth with the Saronic Gulf in the Aegean Sea, cuting through the narrow Isthmus of Corinth and separating the Peloponnese from the Greek mainland, thus effectively making the former peninsula an island.
Epidaurus was a small city in ancient Greece, at the Saronic Gulf.
Nafplio - seaport town in the Peloponnese that has expanded up the hillsides near the north end of the Argolic Gulf. The town was the capital of the First Hellenic Republic and of the Kingdom of Greece, from the start of the Greek Revolution in 1821 until 1834. Nafplio is now the capital of the regional unit of Argolis.
Mycenae - an archaeological site in Greece, located about 90 km southwest of Athens, in the north-eastern Peloponnese. Argos is 11 km to the south; Corinth, 48 km to the north. From the hill on which the palace was located, one can see across the Argolid to the Saronic Gulf.
Sparta was a prominent city-state in ancient Greece, situated on the banks of the Eurotas River in Laconia, in south-eastern Peloponnese. It emerged as a political entity around the 10th century BC, when the invading Dorians subjugated the local, non-Dorian population. Around 650 BC, it rose to become the dominant military land-power in ancient Greece.
Olympia a sanctuary of ancient Greece in Elis on the Peloponnese peninsula, is known for having been the site of the Olympic Games in classical times.
Corfu - Greek island in the Ionian Sea. It is the second largest of the Ionian Islands, and, including its small satellite islands, forms the edge of the northwest. Achilleion is a palace built in Gastouri, Corfu by Empress of Austria Elisabeth of Bavaria, also known as Sisi.