The Thessaloniki–Skopje railway (known as Eidomenis-Thessaloniki line in its Greek section) is an 240-kilometre-long (150 mi) transnational railway line that connects the port city Thessaloniki in Greece with Skopje in the North Macedonia. An important railway line in Northern Greece, Used for long-distance passenger and commercial traffic, Its importance justifies the fact that it is part of the main Greek railway trunk PATHE (Patra-Athens-Thessaloniki-Eidomeni) and its inclusion in development projects such as that of the Axios river variant. Its southern terminus is Thessaloniki, where there are connections to Athens and Alexandroupoli.