Located on this side of the Río de la Plata, formerly used to describe the territory of what is now Uruguay.
From Latin 'cis-' (on this side) plus 'Plata' (the silver river, the Río de la Plata). This 19th-century political term emerged during South American independence movements.
Uruguay was literally called the 'Cisplatine Province' because it sat between two bigger powers (Brazil and Argentina) on the Plata River—the geography of the river determined its whole political identity and independence struggle.
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