Lowlands. Whisky from the Lowlands region tend to be lighter, softer, and less peated.
Highlands. The Highlands are where the bulk of single malt whisky is produced. As it encompasses a very large area, the whisky produced in this area is stylistically very broad. Generally Highland whiskies are known for their depth and complexity.
Islay. The most distinctive single malts are produced on this island. These malt whiskies tend to be well peated with a smoky characteristic. Some phenolic, medicinal, or sea overtones are typical.