Nymph

"A nymph in Greek mythology is a minor nature goddess typically associated with a particular location or landform. Other nymphs, always in the shape of young nubile maidens, were part of the retinue of a god, such as Dionysus, Hermes, or Pan, or a goddess, generally Artemis.^[1] Nymphs were the frequent target of satyrs. They live in mountains and groves, by springs and rivers, also in trees and in valleys and cool grottoes. They are frequently associated with the superior divinities: the huntress Artemis; the prophetic Apollo; the reveller and god of wine, Dionysus; and rustic gods such as Pan and Hermes." Wiki

• Water nymphs ("Ephydriads")
  • Helead (fen)
  • Naiads (usually fresh water)
    • Crinaeae (fountains)
    • Eleionomae (marshes)
    • Hyades (rain)
    • Limnades or Limnatides (lakes)
    • Pegaeae (springs)
    • Potameides (rivers)
    • Corycian Nymphs (Corycian Cave)
  • Nereids (daughters of Nereus, the Mediterranean Sea)
  • Oceanids (daughters of Oceanus and Tethys, any water, usually salty)
  • Sabrina (the river Severn)