Mežica Mine
Mežica, Slovenia
The Mežica Lead and Zinc Mine (Slovene: Rudnik svinca in cinka Mežica or shortly rudnik Mežica) is one of the oldest mines in Europe, with its first documented mentions dating back to 1665. Located in the Mežica Valley in Slovenia, it played a significant role in the Slovenian mining history.
Mine data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).