Line 2 (Thessaloniki Metro)

Line 2 of the Thessaloniki Metro, also known as the Kalamaria Extension (Greek: Επέκταση Καλαμαριάς), is a deep-level underground rapid transit line in Thessaloniki, Greece, connecting New Railway Station in the west with Mikra in the south-east. The section of the line between New Railway Station and 25 Martiou stations opened in 2024, with the rest of the line becoming operational in 2025.