Grein is a municipality in the district Perg in the Austrian state of Upper Austria. It lies on the Danube River. Wikipedia
Is Grein in Austria on your travel bucket list? This online travel guide is all you need to have before planning your trip. The nearest major city to Grein is Vienna. Vienna, is a worth visiting city owing to its prime attractions like Schonbrunn Palace, Vienna State Opera, Wiener Riesenrad. 1-2 days is an ideal duration of visit to Grein.