Germany shares a border with the Rhine islands.
The answer is Denmark which lies on top of Germany with the peninsular Jutland and the islands Fuen and Sealand with the capital Copenhagen.
Portugal shares Spain's western border.
Mexico shares a border with California.
The Dominican Republic shares a border with Haiti on the island of Hispaniola.
Germany is the only country to have a land border with Denmark.
Germany is the only country that shares a land border with Denmark. Considering you've tagged Germany in the question, I get a feeling you already knew...
Belarus shares a border with the following:Latvia and Lithuania to the northwestPoland to the westRussia to the eastUkraine to the south
Moldovia shares borders with Romania and the Ukraine.
France and Poland have both a border with Germany.
Denmark shares a land border with Germany.
Germany shares same land boarder as denmark.
Germany shares a border with the Rhine islands.
The Country that shares the southern Border with the US is Canada.
Venezuala shares a border with Brazil.
Norway shares a land border with only two countries, Sweden and Finland.
Country that shares myanmar's southern border?