Foreign ministers attending the United Nations High-Level week spoke with Fox News Digital about the immigration crisis facing their individual nations as well as the European Union as a whole. Countries around the world range greatly in size. In fact, when you add up the area in square miles of the top five smallest countries in the world, that number is less than 50.

Vatican City is the smallest country in the world, followed by Monaco, Nauru, Tuvalu and San Marino, in that order. Monaco, left, is second to Vatican City, right, as the world's smallest country. (Sam Bagnall/LAT Images I Filippo Monteforte/AFP via Getty Images) A GUIDE TO VISITING ROME: HOW TO PREPARE FOR TRAVEL AND MUST-SEE SPOTS Read more about the smallest countries in the world by area below.

Vatican City Monaco Nauru Tuvalu San Marino 1. Vatican City Vatican City is around 0.17 square miles and the smallest fully independent nation-state in the world.

The landlocked country is surrounded by Rome, and is the seat of the Roman Catholic Church. Vatican City is governed by the Holy See, the government that oversees the Catholic Church, and is led by the pope. Vatican City is the smallest country in the world.

(Riccardo De Luca/Anadolu via Getty Images) VATICAN CITY, THE WORLD'S SMALLEST COUNTRY, SPANS 100 ACRES, BUT HOSTS MILLIONS OF VISITORS ANNUALLY Vatican City may be small, but it welcomes millions of visitors every year. One of the most popular places to visit in Vatican City is St. Peter's Basilica, wh.