San Antonio de Padua, also known simply as Padua, is a city in Greater Buenos Aires, Argentina. It is located in Merlo Partido, one of the partidos that make up the metropolitan area surrounding Buenos Aires.
The city covers an area of 6.25 square kilometres and has a population of around 38,000. Its position within Greater Buenos Aires places it among the many localities that form the urban agglomeration around the national capital.