Nikos Portokaloglou and Giannis Kotsiras at the Theatro Gis

Nikos Portokaloglou and Giannis Kotsiras at the Theatro Gis was the Thessaloniki date of the 2025 summer tour on which the songwriter and the singer appeared on stage together for the first time. The concert took place on Thursday 19 June 2025. The tour was announced for stops across Greece and Cyprus.

The concert was part of the 11th Forest Festival, the summer season the State Theatre of Northern Greece runs across its stages from June to September. The Theatro Gis is an open-air theatre built in 1998 in a former quarry at Triandria, to designs by the architect Manos Perrakis. It seats 4,332.

The songwriter Vyron Tsourapis and the singer Andriana Achitzanova joined the two headliners, with a band that included Ilias Lampropoulos on violin, bouzouki and trumpet. Menta Art Events and 360 Entertainment organised the production.