Nadia is a female name. Variations include Nadja, Nadya, Nadine, Nadiya, and Nadiia. Most variations of the name are derived from Arabic, Slavic languages, or both. In many Slavic languages, names similar to Nadia mean "hope": Ukrainian Nadiya (Надія, accent on the i), Czech Naďa, Belarusian Nadzieja (Надзея, accent on the e), and Old Polish Nadzieja, all of which are derived from Proto-Slavic *naděja, the first three from Old East Slavic. https://en.wikipedia.org/wiki/Nadia