In Scotland, the word for castle is primarily "castle," but the terminology varies based on the historical context, the Gaelic language, and the specific architectural style. In Scottish Gaelic, the word for a castle or a fortified place is "caisteal" (pronounced similar to kash-tyal). However, you will frequently encounter the term "dun" (or dūn), which refers to an ancient hill fort or a fortified settlement, such as "Dunedin," the historic name for Edinburgh. Another common term is "tower house," which describes the distinctive, tall, vertical stone structures built by Scottish clans for defense during the medieval period. For very small fortified homes, the term "peel tower" is often used. Additionally, many grand Scottish estates are referred to as "baronial mansions" or simply "stately homes" if they were built after the era of active warfare. When visiting the Highlands in 2026, you might also hear the term "broch", which refers to a unique type of prehistoric circular stone tower found only in Scotland. While "castle" is the standard English term used today, these traditional names reflect Scotland's deep and often turbulent martial history.