The Black Eagle Palace features a Y-shaped floor plan designed to accommodate the irregular shape of the original plot.
The square's current layout replaces the former 'Little Market' which housed local trade stalls during the Austro-Hungarian period.
Archaeological excavations during the 2015 renovation uncovered 18th-century stone foundations and discarded artisanal pottery.
The Saint Ladislaus Church, located in the square, is a Baroque masterpiece built on the site of a former Jesuit monastery.
The Moon Church (Biserica cu Lună) features a unique 18th-century mechanical clock mechanism that indicates the phases of the moon.
Piața Unirii serves as the central focal point of Oradea, functioning as the city's primary urban square since the 18th century. It is flanked by a dense concentration of Secession-style architecture, most notably the Black Eagle Palace with its distinct stained-glass skylight. The square underwent extensive rehabilitation in the mid-2010s, transitioning into a pedestrian-exclusive zone. Its design integrates multiple religious buildings, reflecting the city's multicultural historical demographics. The subterranean infrastructure beneath the square hides archaeological remains dating back to the medieval era. It remains the site of official state commemorations and local civic gatherings. The layout connects the historic core to the Crișul Repede riverbank.
The center of the square looking toward the Black Eagle Palace to capture the full span of the glass roof and arched entrance.
Walk the perimeter of the Black Eagle Palace to observe the varying sculptural details of the facade.
Visit the Moon Church's tower to view the interior of the unique lunar clock mechanism.
Look for the bronze miniature scale model of the square near the center for a sense of the architectural layout.
Do not overlook the side courtyards of the Black Eagle Palace, which are often missed by casual pedestrians.
