Casey Anthony was hanging out in Ohio this past weekend ... and now new photos -- the first since her release from jail -- have surfaced showing the 25-year-old hiding in plain sight during a mid-day shopping trip.
Casey was photographed on Sunday -- trying to blend in by wearing an Ohio State University baseball cap, a tight-fitting top and glasses as she walked around town ... stopping at an Old Navy to check out some dresses.
Anthony has several relatives who live in Ohio -- but it's unclear if she has spent time them. Sources extremely close to Anthony tell us she has been bouncing around the country ever since her release from jail after being acquitted of murdering her daughter.
Next stop -- no one seems to know.
However, TMZ broke the story ... Casey intends to seek treatment for mental issues. No word on where and when that will happen.