In spite of its seeming insignificance in a time of major empires, what major part did austria play in stabilizing europe?

In spite of its seeming insignificance in a time of major empires, what major part did Austria play in stabilizing Europe, Austria helped to stabilize Europe by helping with land and defeating the Ottoman Turks. seemingly insignificant to this time period of great empires, Austria provided a great contribution when they halted Turkish advances into Europe, pushing them out of the Balkans.