We often think of countries as shapes on a map, but the truly fascinating stories lie along their edges, where one nation meets the next. Some borders follow mighty rivers and towering mountain ranges, while others cut through towns, islands, and even the occasional café. From the world's longest frontier to the strangest tangles of enclaves, this quiz explores the lines that divide our planet. Do you know which countries are neighbors, which are hemmed in on all sides, and which touch more nations than any other?
North and South Korea are separated by a heavily guarded strip of land known as the what?
The Green Line
The Iron Curtain
The DMZ
No Man's Land
The Pyrenees mountains form a natural border between France and which country?
Italy
Portugal
Spain
Germany
Haiti shares the island of Hispaniola with which country?
The Dominican Republic
Cuba
Jamaica
Puerto Rico
Lesotho is a small country entirely surrounded by which nation?
South Africa
Zimbabwe
Nigeria
Namibia
Which country shares the longest border with Sweden?
Norway
Denmark
Iceland
Finland
Which country in Central Europe borders nine others, including Denmark, Poland, France, and the Netherlands?
Austria
Germany
Poland
Switzerland
Which small principality is landlocked between Switzerland and Austria?
Monaco
Andorra
Liechtenstein
San Marino
Brazil borders every other nation on the South American continent except Chile and _______.
Ecuador
Argentina
Colombia
Peru
Nepal is a landlocked country wedged between which two giant neighbors?
India and Pakistan
China and India
China and Russia
India and Bangladesh
The historic Khyber Pass is a mountain route connecting Pakistan and which country?
Afghanistan
Tajikistan
Iran
India
Which two countries each border 14 other nations, the most of any country in the world?
India and Brazil
China and Russia
Germany and France
Sudan and the Congo
Nicosia holds the unhappy distinction of being the last divided capital in Europe. On which island is it located?
Malta
Sicily
Cyprus
Crete
Which country is the only one to border both the Caspian Sea and the Persian Gulf?
Iraq
Kazakhstan
Turkey
Iran
Which two countries share the longest border in South America, running along the spine of the Andes?
Brazil and Peru
Colombia and Venezuela
Argentina and Chile
Bolivia and Brazil
Turkey straddles two continents, divided by a famous waterway running through Istanbul. What is it called?
The Suez Canal
The Bosphorus
The Danube
The Dardanelles
Still Checking the Map
Well, it seems a few of these borders led you astray, and honestly, that is no surprise at all. The world is a complicated patchwork of neighbors, enclaves, and shared rivers, and even seasoned travelers get turned around. The wonderful thing is that every one of these facts is a little story waiting to be discovered. Why not spend some time with a good world map, then set off on this journey again? You may cross every border with ease next time. Thanks for playing along with us today!
Nicely done! You clearly have a fine sense of how the world fits together. You know which countries share a river, which are hemmed in by their neighbors, and which frontiers stretch the longest. A few of the trickier borders caught you out, but that is no shame at all, as some of these are wonderfully obscure. With a little more time studying the atlas, not a single line would trip you up. A splendid result to be proud of!
Outstanding! You are a genuine expert on the world's frontiers, and it shows. From the fourteen neighbors of Russia and China to the tangled little enclaves of Baarle, not a single border managed to fool you. You clearly carry a whole atlas in your head, and a love of the world to match. Few people could navigate these lines with such confidence. Take a well earned bow, because this was a truly first-class performance, worthy of the most well-traveled globetrotter of all!
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Shai K.
8/10/2026
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