International boundaries, neighboring countries, enclaves, and exclaves. Map projections and map-reading methods belong in Maps; historic conflicts retain History.
Test your knowledge with these top questions!
Which volcano on the Chile-Argentina border is the world's highest active volcano?
Ojos del Salado rises about 6,893 meters and still vents gases despite its ice-covered summit.
Which Great Lake lies entirely within the United States, touching no part of Canada?
The other four Great Lakes all touch Ontario, so Michigan is the only lake under solely American jurisdiction.
Which two countries share the world's longest international land border?
The border runs about 5,525 miles, including Alaska, and is often called the longest undefended border.
Which line of latitude forms much of the western United States-Canada border?
Britain and the United States set the straight-line border in an 1846 treaty, running to the Pacific.
Which US state shares a land border with Canada's Yukon Territory?
The Alaska-Yukon boundary follows the 141st meridian west, a line the United States inherited from Russia.
Which Spanish town forms an exclave entirely surrounded by France?
Llivia stayed Spanish because the 1659 treaty ceded villages, and Llivia counted as a town.
Which mountain range forms most of the France-Spain border?
The Pyrenees stretch about 430 km from the Atlantic to the Mediterranean as a natural wall.
Which 1914 line marks India's claimed eastern boundary with China?
British negotiator Henry McMahon drew the line at Simla, and India accepts it while China rejects it.
Which large island is divided between Chile and Argentina near South America's tip?
Argentina governs the eastern part of the main island, while Chile governs the western part.
Which mountain range forms much of the India-China border?
The range keeps rising because the Indian tectonic plate keeps pushing into Asia.