These are the three peninsulas that occupy Southern Europe. The Balkan peninsula is located in the southeast of Europe, but the specific definitions vary. It is generally considered to include the countries of Albania, Bosnia and Herzegovina, Bulgaria, Kosovo, Montenegro and Macedonia, as well as areas of Croatia, Greece, Italy, Romania, Serbia, Slovenia and Turkey. The Iberian peninsula includes Portugal and Spain, while the Italian peninsula includes Italy.
They connected the western region of the United States to the industrial revolution creating greater populations and comerce in that region of the country
