La Plata Countries - La Plata Embassy

Japanese: ラ･プラタ諸国 - ラプラタしょこく

The term refers to the three South American countries of Argentina, Uruguay, and Paraguay. The La Plata River system (La Plata River) is one of the three major river systems in South America, along with the Amazon and the Orinoco. Its tributaries include the Pilcomayo River, the Bermejo River, the Paraguay River, the Paraná River, and the Uruguay River, and its drainage basin extends beyond the three countries mentioned above, as well as Brazil and Bolivia. However, since Brazil is mainly part of the Amazon system and Bolivia has strong ties with the Andean countries, it is not usually included in the La Plata countries.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

南アメリカのアルゼンチン，ウルグアイ，パラグアイの3国を指す。ラ･プラタ水系(ラ･プラタ川)はアマゾン，オリノコと並ぶ南アメリカ三大水系の一つで，その支流にはピルコマヨ川，ベルメホ川，パラグアイ川，パラナ川，ウルグアイ川などがあり，その流域は上記3ヵ国のほかブラジル，ボリビアにも及んでいる。ただし，ブラジルはおもにアマゾン水系に属し，ボリビアはアンデス諸国との結びつきが深いので，ラ･プラタ諸国に含めないのが普通である。

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