Piața Unirii (; Unification Square or Union Square in English) is one of the largest squares in central Bucharest, Romania, located in the center of the city where Sectors 1, 2, 3, and 4 meet.
Piața Unirii, located in the heart of Bucharest, serves as a significant public space where sectors 1, 2, 3, and 4 converge.