So the typical sentences would be:
- China is a country in Asia which....
- The area of France is......
- Canada is bordered by...
[snip]
As a general comment, I'm finding some of the answers difficult to follow. Examples (complete sentences) would really help.
Canada is bordered by the United States.
lo kadnygu'e cu lamji lo mergu'e [my preference]
la kadnygug. cu lamji la mergug.
la kAnadas. cu lamji la .iunaityd. steits.
la kadnygu'e cu lamji la mergu'e
All of these are valid and understandable. Xorxes has already outlined the subtleties. It seems likely that over time a convention or conventions will arise. Compare:
San Marino is surrounded by Italy.
la sanmarinos. cu se sruri la .italias.
There. That was easy ;~)
mu'o mi'e komfo,amonan