Here is a Cave called Jaskyňa pod Vyrúbaním. Its arround 40m long.
I have some photos of the cave if you need some
here is a link to a list of caves in Slovakia you can find the cave there
https://www.smopaj.sk/sk/documentloader.php?id=1938&filename=zoznam%20jask%C3%BD%C5%88%20k%2031%2012%202017.pdf 