A magnificent example of the neoclassical architectural movement that flourished in Athens in the late 19th and early 20th centuries. Its design belongs to Theophilus Hansen and is considered his most important work. In addition, many architects and historians claim that it is the most beautiful neoclassical building in the world. In addition to its interesting architecture, the building has several wonderful sculptures and designs that will catch your eye. The imposing marble building owes its existence to the benefactor Simon Sinas, who made a large donation for its construction in 1856.→