Quadripoint
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A quadripoint is a point on Earth where four distinct political territories meet. The territories can be of different types, such as national and provincial. In North America, several such places are
Zambezi River at the junction of Namibia (top left), Zambia (top), Zimbabwe (bottom right), and Botswana (bottom left)
The boundary marker inscribed at the center of the Four Corners Monument, the only state quadripoint in the United States, where Arizona, Utah, Colorado, and New Mexico meet
Kuhankuono border marker
Tripoint
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A triple border, tripoint, trijunction, triple point, or tri-border area is a geographical point at which the boundaries of three countries or subnational divisions meet. As of 2020, there are 181 int
Quadripoint
…between the void areas. Quadripoints are exceptional and rare because borders and territories do not normally meet in groups of more than three (at tripoints). Correspondingly and proportionally rarer are points of more than fourfold constituency. There exists one point at which five county boundaries meet…
A disputed tripoint between Israel, Jordan, and Syria.
Vaalserberg: Tripoint (Germany / Netherlands / Belgium)
Marker at the Tarvagan Dakh Mongolia/Russia/China tripoint in 2020, from the Mongolian side
The confluence of the Iguazú and Paraná rivers is the tripoint between Brazil, Paraguay and Argentina.