The cathedral is Dresden's youngest Baroque building. With a floor plan measuring nearly 4,800 square meters, it is also the largest church in Saxony. The crypt of the Catholic »Sanctissimae Trinitatis« cathedral, on Schloßplatz, contains 49 sarcophagi of the Wettin princes and kings as well as their relatives. It is also the resting place of the heart of Augustus the Strong.The balustrades and niches of the Hofkirche are adorned with 78 stone figures. Measuring 3 ½ meters in height, they were created by Lorenzo Mattielli and represent the Apostles, saints and church dignitaries.