Final answer:
The subject of the sentence is 'Ireland' and the predicate is 'is a beautiful area of lakes and mountains'.
Step-by-step explanation:
The subject of the sentence is 'Ireland' and the predicate is 'is a beautiful area of lakes and mountains'. The subject is the noun or noun phrase that the sentence is about, and the predicate is the verb or verb phrase that tells something about the subject. In this case, the subject of the sentence is 'Ireland', and the predicate is 'is a beautiful area of lakes and mountains', which describes the subject.