refers to a kingdom in the North Blue. This is where Montblanc Norland is born and and died there. This is also Montblanc Cricket's ancestral home.
Lyneel appeared fully in the Norland Flashback during the Skypiea Arc. It appeared as a rolling green hills with buildings that reassembled an northern European style. It is not known if Lyneel was the member of the World Government yet the King of Lyneel has to ask Mariejois permission first before entering the Grand Line.