Buenos Aires, officially the Buenos Aires Province, is the largest and most populous Argentine province. It is bordered by the provinces of Entre Ríos to the northeast, Santa Fe to the north, Córdoba to the northwest, La Pampa to the west, Río Negro to the south and west and the Autonomous City of Buenos Aires to the northeast. (Wikipedia. 2025.Buenos Aires Province. https://en.wikipedia.org/wiki/Buenos_Aires_Province)
