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Where is the meridian line?

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The meridian line (or zero degree longitude line) is an imaginary line which runs from the North Pole to the South Pole. It divides the eastern and western hemispheres of the world, and every place on Earth is measured in terms of its distance east or west from this line. Click on the country names below to see where they're located (they are highlighted in orange):

Find out more about the meridian line and its history