Holds more than 1,600 works of art, paintings, sculptures, drawings and prints, focusing on Croatian artists of the Hlebine Painting School like Ivan Generalić, Mirko Virius, Ivan Rabuzin, Ivan Lacković Croata, foreign artists Pole Nikifor, Simon Schwartzenberg, Bogosav Živković, Pavel Leonov and many others. Also provides visitor information and guide to Naïve art.