The Monarch class was a class of three coastal defence ships, built by Austria-Hungary at the end of the 19th century. The Monarchs were the first ships of their type to utilize turrets. The class comprised three ships: SMS Monarch, SMS Wien, and SMS Budapest, each armed with two L/40 guns in two turrets and capable of at full speed. The Budapest was fitted with slightly more modern and powerful engines, giving her a top speed of .