Situated near where the Krka flows into the Sava, Brežice was an important trading centre in the Middle Ages. Its most dominant feature has always been its castle, mentioned in documents as early as 1249. In the 16th century the original castle was replaced with a Renaissance fortress to strengthen the town’s defences against the Turks and later marauding peasants who, during one uprising, beheaded nobles at the castle and impaled their heads on poles. Today the castle houses the Posavje Museum.