San Nicolás de los Arroyos is a city located in the province of Buenos Aires, Argentina. It lies along the banks of the Paraná River and serves as an important agricultural and industrial center. The city is known for its rich history and cultural heritage, with various historical buildings and parks. The population of San Nicolás is approximately 130,000 residents. The city hosts several annual events and festivals, celebrating local traditions and attracting visitors. Its economy is primarily based on agriculture, manufacturing, and trade, making it a vital hub in the region.