http://en.wikipedia.org/wiki/Enlargement_of_Switzerland

Little known aftermath of World War One; the westernmost Austrian province of Vorarlberg wanted to join Switzrland (but was prevented by the Allies and by Swiss Government indifference).

Apparently (see link) quite a few neighbouring provinces of other States have expressed an interest in joining the Swiss Confederation.

Had Vorarlberg managed to join this would have left Leichtenstein as an 'island' surrounded by Swiss territory. Since Switzerland is itself surrounded by EU territory (getting towards being a 'country'), this would have been perhaps the only instance of a country within a country within a country.

OK, now I'll get back to some more serious geography.....

Dr Hillary J. Shaw
Director and Senior Research Consultant
Shaw Food Solutions
Newport
Shropshire
TF10 8NB
www.fooddeserts.org