[1] After studying in Rome under Carlo Fontana, he constructed fortresses for Prince Eugene of Savoy during his Italian campaigns, becoming his favorite architect.

[2] His designs for palaces, estates, gardens, churches, chapels, and villas were widely imitated, and his architectural principles spread throughout central and southeast Europe.

[1] Among his more important works are Palais Schwarzenberg, St. Peter's Church, and Belvedere in Vienna, Savoy Castle in Ráckeve, Schönborn Palace in Göllersdorf, and Schloss Hof.

[2] In 1696, Hildebrandt established himself thereafter in the Austrian capital, Vienna, where he worked for such noble families as the Dauns, Harrachs, Schönborns, and Starhembergs, and also Prince Eugene himself.

[2] At the Hofburg, however, Hildebrandt could not assert himself against the rivalry of the two Fischer von Erlachs (father Johann Bernhard and son Joseph Emanuel) and worked mainly for aristocrats.