The word "co-unties" does not have any antonyms as it is not a word in the English language. However, "county" is a word that has several antonyms, such as "city," "town," "metropolis," "municipality," and "village." These words represent different levels of governmental administration or populated locations that are smaller or larger than a county. "County" refers to a political and administrative division of a state or country and usually contains numerous towns and cities. Understanding the different antonyms for "county" can help improve one's vocabulary and comprehension of government structures and geographic locations.