Of all the autonomous communities, the Basque Country is the one that consistently plays (unofficial) international friendlies, often playing at least one international a year (usually during the winter break). https://en.wikipedia.org/wiki/Basque_Country_national_football_team Highlights from last night (12 October) v Venezuela at the Mendizorrotza in Alavés. BBC article: https://www.bbc.com/sport/football/45834955