There are 3 lost treasures in Vvardenfell, zone added in ESO’s Morrowind update. Vvardenfell treasure map locations are indicated on the map below:
Vvardenfell CE Treasure Map I – Tree
The tree is on a small hill near a lava river.
Vvardenfell CE Treasure Map II – Pond
Southernmost lava pool in the area, treasure is near a nearby tree.
Vvardenfell CE Treasure Map III – Sanctuary
Northeast tower in Aleft ruins.
There are only three “Collector’s Edition” treasure maps located in Morrowind’s Vvardenfell zone, and with these locations all of them should be easy to find.