Explore details about location Hrastik. Hrastik is a location situated within the Osječko-baranjska županija alongside other areas such as Vinogradska, Ivana Kukuljevića, Braće Radića. Additionally, some smaller parts of Hrastik include specific areas like Eugena Kvaternika, Ive Lole Ribara, Bana Josipa Jelačića adding to the diversity of its landscape.