Taxiarchis (Greek: Ταξιάρχης, before 1919: Κοτσκό – Kotsko,[2] between 1919 and 1927: Κοσκό – Kosko)[3] is a village and a community of the Grevena municipality.

Before the 2011 local government reform it was a part of the municipality of Irakleotes, of which it was a municipal district.

[4] The 2021 census recorded 200 residents in the village.

[1] The community of Taxiarchis covers an area of 22.83 km2.

[5] This Western Macedonia location article is a stub.