evidence: Brazil and Uruguay: neighboring country expressed interest in recovering territories that it considers its own due to historical rights; Locations include the Gaucho town of Tomás Albornoz and a small river island at the mouth of the Quaraí River Uruguay claims ownership of Brazilian territories, including the town of Tomás Albornoz and Ilha Brasileira, based on divergent interpretations of historical treaties with Brazil. The dispute, confined until now to diplomatic debates, highlights border and sovereignty issues between the two countries. [...] Located within the limits of the municipality of Santana do Livramento, the village of Tomás Albornoz has just 100 inhabitants. The region, despite being peaceful and culturally integrated, is marked on Google Maps by dotted lines, indicating a contested status between Brazil and Uruguay. Despite being small and isolated, the presence of the Brazilian state is symbolized only by a public school, while other essential services are provided by Uruguay.