Everybody has their favorite examples of contested territories, at land or sea. South Korea uses the East Sea instead of the Sea of Japan, much as many Arab countries refer to the Arabian rather than Persian Gulf. Moroccan maps , it turns out, not only claim Western Sahara for the country but an undefined chunk of Algeria as well. Argentine maps include the Falkland Islands , refer to them as the Malvinas, and feature a pie-slice of Antarctica for good measure.

Visiting foreign countries, it's always striking to discover where their maps differ from the rest of the world’s. China’s nine-dash line, laying claim to the entirety of the South China Sea, is one notorious case . The Philippines, in turn, have contested the name of the sea itself, labeling parts of it as the West Philippine Sea since 2012.

Visiting foreign countries, it’s always striking to discover where their maps differ from the rest of the world’s. China’s nine-dash line, laying claim to the entirety of the South China Sea, is one notorious case. The Philippines, in turn, have contested the name of the sea itself, labeling parts of it as the West Philippine Sea since 2012.

Everybody has their favorite examples of contested territories, at land or sea. South Korea uses the East Sea instead of the Sea of Japan, much as many Arab countries refer to the Arabian rather than Persian Gulf. Moroccan maps, it turns out, not only claim Western Sahara for the country but an undefined chunk of Algeria as well. Argentine maps include the Falkland Islands, refer to them as the Malvinas, and feature a pie-slice of Antarctica for good measure.

These dis