Idria
Idria is a geographic name that may refer to several places, most commonly as an historical or anglicized form of Idrija, a town in western Slovenia. Idrija is the seat of the Municipality of Idrija in the Inner Carniola region of western Slovenia. The town grew around the Idrija Mercury Mine, one of the oldest and most productive mercury mines in Europe, with mining activity dating back to at least the 15th century and continuing in various forms until the late 20th century. The historic mine complex and town center preserve medieval and early modern architecture, including the Gewerkenegg Castle.
Idrija lace, a distinctive form of needle lace, is associated with the town and is part of
International recognition: The Idrija Mercury Mine is part of the UNESCO World Heritage Site Mercury mining
Other uses of the spelling Idria are rare and mainly found in historical or older English-language sources;