How many female players participated in the european indivdual championship? The female players, I found out in the european individual championship, are

WGM Aleksandra Goryachkina
 WGM Maria Manakova
 WIM Olga Vasiliev
 WIM Camelia-Adriana Ciobanu

Did any other female players participate ?
You can find the final rankings here to get a list of all participants. You could then check the names against the FIDE ratings website which would tell you the gender of the player.

A quick glance through the list shows these additional female players (probably not exhaustive)

Shlomit Vardi

Limor Altshul

Sophia Toporkova

Michal Lahav