I shall call it my art studio!
My evenings and weekends are all about craftiness so that Dad and I can possibly sell stuff at a craft show. In theory we only have say $X invested in our Christmas trees we're making and can sell them at twice that much. I don't know that we're going to make money for Christmas at our respective hobbies, but maybe we at least won't go broke.
Instead of painting at my parents' house, I've moved that operation to my sunroom and have my drafting table set up. I shall call it my art studio!
Here's some of my latest work...