Campana is a city in the province of Buenos Aires, Argentina. It is the seat of the Campana Partido. It is located about 75 km from the Autonomous City of Buenos Aires, on the right-hand margin of the Paraná River. From Wikipedia
Under Law 27.399, the national holiday on July 9 remains immovable, prompting municipalities from Campana to Río Grande to schedule extra non-working days around local foundation anniversaries.