English: Kingdom of Croatia in 1260, with Slavonia as an autonomous province, both under the King of Hungary. At the time it was in personal union with Kingdom of Hungary. Based on the map "IV. Béla birodalma 1260 táján" from Hóman-Szekfű: Magyar Történet
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File:Croatia 1260.png cropped 45 % horizontally, 57 % vertically, 77 % areawise using CropTool with precise mode. I just zoomed into the mape. All credits go to Tzowu, who originally uploaded the map.