So, why do people call it DC instead of the District of Columbia? Well, it's probably because DC is just way easier to say (and spell). Plus, it sounds way cooler, like a secret code or something. And, let's be real, who doesn't love a good abbreviation? It's like TL;DR for the capital city.
Washington, D.C. | History, Map, Neighborhoods, Population, & Facts
But, in all seriousness, the District of Columbia is a really important place, with a rich history and a lot of significance. And, even though it's not a state, it's still got its own government and laws, which can be a bit confusing (even for locals). So, if you ever find yourself in DC, just remember, it's not just a city, it's a district with a lot of character.