Barry Callebaut's plant in Wieze, Belgium, is widely described as the largest chocolate factory on Earth, producing hundreds of thousands of tonnes of chocolate each year for brands worldwide. The Swiss-Belgian company has continued investing heavily in the site, including a large upgrade announced in 2026. Belgium's chocolate-making tradition dates back centuries and remains central to the country's international identity.
Record no. MRB-2026-006024
World's Largest Chocolate Factory
Reference Record – Not Certified
This record is compiled from publicly available sources for reference. It has not been examined or certified by The Book of World Records.