Modrý Kameň  is a town and municipality in the Veľký Krtíš District of the Banská Bystrica Region of southern Slovakia.

Sights

• Roman Catholic church was built in 1879
• Baroque chapel of St Anna was built in 1759
• Modrý kameň Castle Museum (Marionette and toy museum, Valentine Balassi poet’s life and work, Ethnographic exhibition of the region, A look at the history of dental technology and stomatology)