In Italy Eleonora is a common name especially for girls born in the 1980s-1990s and it's still quite popular, it was the 39th most common name for girls born in 2017. I find it a really elegant and classy name.
Eleonora is a Polish name, not widely used nowadays but getting more and more attention from parents. It's still considered a quite rare and unique name though. Some of Polish nicknames are Eleonorka, Eleonorcia, Ela, Eli, Elka, Elunia, Elcia, Nora, Lora, Lori, Lorka, Lorcia, Leosia, Leonka and so on. Eleonora's nameday is 21 February. In 2017 Eleonora was 288th in the girls' names ranking, 11 girls were given this name.
― Anonymous User 1/7/2019
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Used in Greece and Russia.In Greek, it is written Ελεονώρα. In Russian, it is written Элеонора. [noted -ed]
This name is also frequently used in Georgia.In Georgian, Eleonora is written as: ელეონორა.A known bearer of this name is Eleonora Eksanishvili (b. 1919), a Georgian pianist, music educator and composer.
Eleonora is also the German form of this name. There have been several German princesses and an Austrian empress (Eleonora Magdalena von der Pfalz-Neuburg, lived 1655 - 1720) with this name. [noted -ed]
English Pronunciation: ehl-ə-NAWR-ə
Sources: https://cs.m.wikipedia.org/wiki/Eleonora
https://cs.m.wiktionary.org/wiki/Eleonora
https://en.m.wiktionary.org/wiki/Eleonora#Czech