sentences:  On 8 August 2013 it recorded 40.5C which is the highest temperature ever recorded in Austria.The health resort is centered on iodine and sulfur springs, which are one of the most powerful in Central Europe.The settlement in the Duchy of Austria, located around a medieval castle at the site of the former Roman camp of "Carnuntum", was first mentioned in 1297 and received market rights in 1579.