This is the 6264th most frequent Portuguese word.
corfu
"Corfu" is not a Portuguese word; it refers to a Greek island.
Here, 'Corfu' is used as a proper noun referring to the island of Corfu in Greece.
Eu estou lendo um livro sobre Corfu.
I am reading a book about Corfu.
In this sentence, 'Corfu' again refers to the Greek island, emphasizing its standing as a vacation spot.
Ela mencionou Corfu como seu destino de férias favorito.
She mentioned Corfu as her favorite vacation destination.
Here, 'Corfu' is used to specify the location as related to its local cuisine.