no it is not.
it means you are.Its a verb.
The nouns in the sentence are:visitor; a word for a person; subject of the sentence;Greece; a word for a place; object of the preposition 'from';customs; a word for things; direct object of the verb 'described'.
This tasty eggplant dish is a favorite in Greece.
There is no such place as "ancient Greece" currently, so the question is a non-sequitur. (Or perhaps just a verb-tense error.) If you are coming to the internet to find the easy way to answer a school-assignment question it is evident that you shouldn't use educational shortcuts, my friend.
The homophone of "grease" is "grease." Homophones are words that sound the same but have different meanings, and in this case, "grease" only has one spelling as both the verb and the noun.
There is no opposite of Crete (Mediterranean island between Greece and Libya), although an opposing civilization of the Minoans was that of the Mycenaeans.(*The opposite of the verb create would be to destroy, cancel, remove, or undo.)
Greece rome
Greece
Both are Greece
greek is the greece's nationality.
The noun 'is' is a verb, a form of the verb 'to be'. The verb 'is' functions as an auxiliary verb and a linking verb.