San Marino, officially the Republic of San Marino and also known as the Most Serene Republic of San Marino, is an enclaved microstate surrounded by Italy, situated on the Italian Peninsula on the north-eastern side of the Apennine Mountains. Wikipedia

Prince Edward Island is a Canadian province consisting of the main island itself, as well as other islands. It is one of the three Maritime provinces and is the smallest province in both land area and population. Wikipedia