Katarínka (German St. Katharein) are the ruins of a Franciscan monastery and church dating back to the early 17th century, located deep in the forests of the Little Carpathian Mountains (Malé Karpaty) in western Slovakia, 20 km north of Trnava over Dubovský creek, close to the villages of Dechtice, Naháč and Dobrá Voda.