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It looks like you shared an interesting trivia snippet about island countries and their borders!

Island nations are unique because they are entirely surrounded by water, which gives them natural borders. However, as your text points out, many islands share land borders with other nations—like the UK and Ireland (via Northern Ireland and the Republic of Ireland), Haiti and the Dominican Republic on the island of Hispaniola, or Papua New Guinea and Indonesia on the island of New Guinea.

Did you have a specific question about island nations, geography, or anything else you'd like to explore?