The prominent landowner has added a nearly 200-year-old estate to his holdings.

Meta CEO Mark Zuckerberg has bought a 19th-century Gothic-style ​castle overlooking a river in ‌the southeast of Ireland, 200 kilometres (125 miles) from his company's European headquarters, a ​spokes...

Zuckerberg also reportedly owns more than 11 properties in Palo Alto and properties in Florida, Washington, D.C., and Hawaii.