ostia See ostium
Ostia may refer to:
Usually, when modern Roman people say «Ostia» they refer to the modern town, not the nearby archaeological site.
It can also refer to either of two modern districts of Rome:
- Ostia Antica (district) (originally known as Gregoriopolis)
- Ostia is also the plural of ostium.
ostia in French: Ostia
ostia in Italian: Ostia