While her specific actions aren't detailed as much as some other characters, we know she was present and fighting, and she even played a key role in the battle's outcome:
* She fought alongside Harry: Ginny was part of the group defending the Room of Requirement, where she and Harry fought Death Eaters together.
* She helped defeat Bellatrix Lestrange: Though Harry delivered the final blow, Ginny and Luna Lovegood were instrumental in distracting Bellatrix and giving Harry the chance to defeat her.
Overall, Ginny Weasley's role in the Battle of Hogwarts was crucial. While she might not have been the most prominent character in the battle, her bravery and fighting skills contributed to the eventual victory over Voldemort.