Can I ask what region you went to college in? I'm familiar with schools in several regions (went to college in PA and graduate school at a UC) and people regula

Can I ask what region you went to college in? I'm familiar with schools in several regions (went to college in PA and graduate school at a UC) and people regularly used these terms IME. I'm curious to know where they're not used (or if this is a more recent development — I graduated law school 15 years ago).