Zaprešić is a town in Hrvatsko Zagorje, Zagreb County in Croatia. It has a population of 19,644 inhabitants in the town proper, with 25,223 in th…Zaprešić is a town in Hrvatsko Zagorje, Zagreb County in Croatia. It has a population of 19,644 inhabitants in the town proper, with 25,223 in the administrative area. The town's metropolitan area, which encompasses the seven neighbouring municipalities, has a population of 54,640. Zaprešić is the third-largest, and most densely populated town of the county. It is located northwest of the Croatian capital Zagreb, and near the Slovenian border. It is centered on plains north of the Sava River, and is bordered by Medvednica Mountain to the east, and the Marija Gorica Hills to the west.