Founded in 1680 as a Portuguese colony, Colonia's historic district is now a UNESCO World Heritage site, full of cobblestone streets lined with historic buildings.
Its old buildings and cobblestone streets preserved from the colonial days make it a popular destination for people from Buenos Aires on the opposite side of Rio de la Plata.
It's especially popular as a weekend getaway for couples or as an attractive stop on a trip between Buenos Aires and Montevideo.
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