Colonia del Sacramento is a city in southwestern Uruguay, by the Río de la Plata, facing Buenos Aires, Argentina. ... Department Maldonado Department Altitude 0m Coordinates 34º 58S 54º 57W Founded 1907 Population 8,252 (2004) Demonym puntaesteño Phone Code +042 Postal Code 20100 Skyline of Punta del Este looking from Punta Ballena Image:Sunrise punta ballena 2006 january. ... Map of Uruguay, showing Fray Bentos as well as Montevideo Fray Bentos is a town in western Uruguay, close to the border with Argentina, and about 160 km (100 mi) due north of Buenos Aires. ... Artigas is the capital of the department of Artigas in Uruguay. ... Canelones is the capital of the department of Canelones in Uruguay. ... Melo is a city in north-eastern Uruguay. ... Department Durazno Department Altitude Coordinates 33º 22S 56º 31W Founded 1821 Population 30,529 (2004) Phone Code +036 Postal Code 97000 San Pedro del Durazno is the capital of the department of Durazno in Uruguay, founded on October 12, 1821. ... Minas is the capital of the department of Lavalleja in Uruguay. ... Trinidad is the capital of the department of Flores in Uruguay. ... Florida is the capital of the department of Florida in Uruguay. ... Maldonado is a Uruguayan city of the Maldonado Department, from which it is its capital. ... Las Piedras, Uruguay is the most populous city of Canelones Department, situated near the border with Montevideo Department. ...