Nordic Arctic Regions. The map can be freely used, provided the source and map data credit is mentioned.
Map: Arto Vitikka, Arctic Centre, University of Lapland. Credit for the border data: Runfola D, Anderson A, Baier H, Crittenden M, Dowker E, Fuhrig S, et al. (2020) geoBoundaries: A global database of political administrative boundaries. PLoS ONE 15(4): e0231866. https://doi.org/10.1371/journal.pone.0231866