Argentine Uruguayans are people born in Argentina who live in Uruguay.

Both countries share the same language, culture and ethnicity and their populations bear striking similarities; the historical origins of both nations is common (part of the Viceroyalty of the River Plate, Spanish Empire); both countries are members of MERCOSUR, there is no need for special migration documents, and circulation is relatively easy.

[5] The 2011 Uruguayan census revealed 26,782 people who declared Argentina as their country of birth.

[8] In 2022, It was confirmed Colonia was going to make a Silicon Valley in Colonia called 'Colonia Ala Este' to bring more Argentine immigrants due to the bad economy in Argentina doubling their population making their goal reach to about 60,000 people in total in Colonia.

With an initial investment of more than US$ 100 million, it was planned to build a sustainable city open to the community to generate a hub for the knowledge economy industry on a 500-hectare site, which includes forests and seven kilometers of coastline.