The Dupnisa Cave, aka Dupnisa Caves, is a show cave located in Kırklareli Province, northwestern Turkey, close to Bulgarian-Turkish border. The cave itself, unlike what the original name suggests, is actually three, interconnected caves divided into two separate floors. Its name is derived from the Bulgarian word Dupnitsa, related to the word for "hole".
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Address 17600, Turkey
Coordinates 39°41'10.174" N 26°20'6.992" E
