Mark Zuckerberg is king… of an Irish castle near a Meta office

Mark Zuckerberg just bought a nearly 200-year-old castle in Ireland. John Nacion/Variety via Getty Images Mark Zuckerberg has added another multimillion-dollar property to his real estate portfolio. His newest purchase is a nearly 200-year-old castle in Ireland, 140 miles from Meta's international HQ. The estate is vast and historic, and it only looks mildly haunted. Mark Zuckerberg has a hot new — but also 200-year-old — pad in Ireland. The billionaire CEO of Meta and his wife, Priscilla…