Alliances and Leagues
- Symmachia
- This was an informal alliance in fighting or for defence. Not being a federation, the states retained their individual freedom. Some examples of this type of alliance were as follows:
- Acarnanian League
- Delian League
- Hellenic League
- League of Corinth
- Peloponnesian League
- Second Athenian League
- Sympoliteia
- This was a federal state in which the city-states gave up some independence. Some examples of this type of federation were as follows:
- Achaean Confederacy
- Aetolian Confederacy
- Arcadian Confederacy
- Boeotian Confederacy
