Ellander is a duchy and fiefdom of Temeria, located east of Vizima. It is ruled by the duke Hereward. It is here that the Temple of Melitele is located. Both Nenneke and Yennefer saw to Ciri's instruction there.
The coat of arms for Ellander is never actually described in the books. This particular coat of arms was designed by our resident heraldry and Witcher expert Mboro. For a different take on the coat of arms, we have the Czech concept