Lulia

Lulia is a place mentioned in Season 3.

Pre-Series
Lulia used to be the home of the two willow trees which were the source of life of Lulia until the Great Realm Fire which turned Lulia into a wasteland and burned one of the willow trees completely. The other was badly damaged and came to be known as the Black Willow and it left Lulia out of sadness because its sister once stood there.

Season 3
Miele takes the Winx to the Sage of Linphea who tells them the story of the Black Willow and informs them that only the Willow's tears can give Faragonda back her real appearance. The Winx go to collect the tears to save Faragonda.