In Brazil this year Mirassol is playing in the first division for the first time ever. Mirassol is a town with fifty thousand people and the smallest town with a top tier club currently. The smallest town to ever host a top tier match is Capela, home to Capelense, with around 18k people.
But more notably, Tombense has played in the second tier in recent years, and is currently in the third. They're from Tombos de Minas, picrel, a town with around 8k people. Their stadium, which they've only been able to start using recently due to stupid capacity requirements, can host 6 thousand people, almost the entire municipality. They have