skos:altLabel | - OSE
- TrainOSE
- EDISY
- ErgOSE
- GAIAOSE
- Greek State Railways
- Hellenic Railway Organization
- Hellenic Railways
- Hellenic Railways Organisation (OSE)
- Hellenic Railways Organisation S.A.
- Kavasila – Vartholomio – Kyllini railway
- O.S.E.
- OSE (Greek Railways)
- OSE S.A.
- Organismos Sidirodromon Ellados
- Patras – Pyrgos railway
- Peloponnese narrow-gauge network
- country's national railway system
- network in Thessaly
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