Nea is of Greek origin, meaning 'new'. It is a unisex name but is more commonly used for girls. In Greek mythology, Nea was the goddess of youth and beauty. The name gained popularity in English-speaking countries during the 20th century.
Greek English Greece
"Nea has seen varied popularity over the decades, with a peak of 16 births each in 2007 and 2008, and a recent resurgence from 2015 onwards."