The countries of Portugal and Spain occupy the Liberian Peninsula.

Is the sentence correct? I think it is.

Me too.

The sentence is incorrect. It should be the Iberian Peninsula (not the Liberian Peninsula)>

The sentence is not correct. The correct term is "Iberian Peninsula," not "Liberian Peninsula." The Iberian Peninsula is located in southwestern Europe and is shared by the countries of Portugal and Spain. It is important to be cautious with spelling and terminology to ensure accuracy in communication.