- Pindus Mountains: Running north to south along the western side of the country, forming the backbone of Greece and separating Epirus from Thessaly and Macedonia.
- Rhodope Mountains: Located in northern Greece and extending into Bulgaria, forming the country's northeastern border and separating Macedonia and Thrace.
- Olympus Mountains: Home to Mount Olympus, the highest mountain in Greece and a significant mythological and religious site.
- Parnassus Mountains: Located northwest of Athens, known for the ancient site of Delphi and the Castalian Spring.
- White Mountains (Lefka Ori): Situated on the island of Crete, famous for its Samaria Gorge, one of the longest in Europe.
2. Peninsulas:
- Peloponnese: Greece's southern peninsula, connected by the Isthmus of Corinth.
- Attica: The peninsula on which Athens is located.
- Chalkidiki: A three-pronged peninsula in northern Greece, known for its beaches and resorts.
3. Islands:
- The Cyclades: A group of over 200 islands in the Aegean Sea, including popular destinations like Santorini, Mykonos, and Naxos.
- The Dodecanese: A chain of islands in the southeastern Aegean Sea, including Rhodes, Kos, and Patmos.
- The Ionian Islands: Located off the western coast of Greece, including popular tourist spots such as Corfu, Zakynthos, and Kefalonia.
- Crete: The largest island in Greece, situated in the Mediterranean Sea.
4. Rivers:
- Evros River: Located in northeastern Greece, forming the border with Turkey and flowing into the Aegean Sea.
- Nestos River: Running through northern Greece, known for its natural beauty and rich ecosystems.
- Aliakmon River: Greece's longest river, flowing through Macedonia and Thessaly before entering the Aegean Sea.
- Acheloos River: The largest river in southern Greece, flowing through Epirus and Aetolia-Acarnania to the Ionian Sea.
5. Lakes:
- Lake Pamvotis: Located in Epirus, near the city of Ioannina.
- Lake Trichonida: Situated in western Greece, known for its picturesque surrounding villages.
- Lake Plastira: An artificial lake in central Greece, popular for water sports and fishing.
- Lake Vouliagmeni: A coastal lake in Attica, known for its warm waters and spa facilities.
6. Gulfs and Bays:
- Gulf of Corinth: A deep inlet of the Ionian Sea separating the Peloponnese from mainland Greece.
- Saronic Gulf: Located in the Aegean Sea, near Athens and the Peloponnese.
- Thermaic Gulf: A gulf of the Aegean Sea in northern Greece, near Thessaloniki.
- Malian Gulf: A gulf in central Greece, located near the city of Lamia.