Where is the washing process commonly used in whiskey production?

The washing process, which is part of whiskey production, is commonly associated with Scotland. This process, known as "mashing," involves mixing milled malted barley with hot water to extract fermentable sugars. The term "washing" specifically refers to the methods used in the production of malt whisky, where the mash is washed to create a liquid known as wort, which is then fermented to produce alcohol.

Scotland, with its rich tradition and notable styles of whisky, employs this method largely due to its long history of whisky-making. The culture surrounding Scotch whisky is deeply rooted in these traditional techniques, and the washing process is a fundamental step that contributes to the unique characteristics of Scotch.

While whiskey is produced in various forms in the United States, Canada, and Australia, the specific process termed "washing" is most distinctly associated with Scotch whisky production in Scotland. Therefore, this connection to the traditional methods of whisky-making makes Scotland the correct answer in this context.