Savatra, Sabatra, or Soatra Strabo: the wells are very deep, as at Soatra, where it is even sold. Soatra is a village city near Garsabora (Garsaura?).
Sources:
- Strabo, Geography Book XII, Chapter 6.1
- Tabula Puentingeriana -https://www.cambridge.org/us/talbert/talbertdatabase/TPPlace2166.html
- https://topostext.org/place/380331USav