Brazil, Guatemala or Kenya are the sorts of exotic locations that most people would associate with the cup of coffee that kickstarts their day.
But increasingly it is Luxembourg that is providing the coffee business with an industrial shot of caffeine.
JAB Holding, a private-investment company based there, has rapidly become the world's second-largest coffee retailer and roaster.
On February 14th the firm, which looks after the fortune amassed in the chemicals industry by Germany's secretive Reimann family,
said it planned to list its coffee empire in a couple of years.
JAB has paid dearly to secure around 12% of the global retail market, second only to Nestlé, which accounts for a quarter of sales.
Italy's Lavazza, the third-biggest roaster, is tiny compared with the top two.
JAB has coughed up tens of billions of dollars since 2012 on acquisitions of retail brands such as Jacobs Douwe Egberts