As of April 2015, there are six non-island countries that are less than 1,000 square miles: Monaco, Andorra, Lichtenstein, Vatican City, Luxembourg and San Marino. All six countries are located in Europe. Vatican City, at 0.2 square miles, is the smallest country in the world by land area.
Vatican City is located entirely within the city of Rome, in Italy. It is the center of the Catholic Church and the location of St. Peter's Basilica, the world's largest church.
The country known as the Most Serene Republic of San Marino is also located completely within Italy. The country claims that it is the oldest surviving sovereign state. San Marino is 23.6 square miles and has a population of about 30,000 citizens, as of 2015.
Monaco is locate on the Mediterranean Sea and is surrounded on three sides by France. The country is considered the most densely populated country in the world, with about 36,000 people living on approximately 0.8 square miles.
Liechtenstein is the only country entirely located in the Alps. The country is 61.8 square miles and has a primarily German speaking population due to its location between Austria and Switzerland.
Andorra is located in southern Europe. It has a land area of about 181 square miles. Luxembourg, a western European country, is the largest of the six, with an area of 998 square miles.