Ainis
| Ainis Αἰνίς | |
|---|---|
| Region of Ancient Greece | |
| View of Ainis from Mount Oeta | |
| The valley of Spercheios with Ainis (Aeniania). | |
| Location | Central Greece | 
| Major cities | Hypata, Spercheiai? | 
| Dialects | Doric | 
| Key periods | Hellenistic | 
Ainis (Ancient Greek: Αἰνίς, IPA: [ajˈniːs], Modern Greek Αινίδα, IPA: [eˈniða]) or Aeniania (Αἰνιανία), was a region of ancient Greece located near Lamia in modern Central Greece, roughly corresponding to the upper valley of the Spercheios river.