From Halopedia, the Halo wiki
Unified Earth Government
Pálháza was a small city on the human Inner Colony planet of Reach, and the birthplace of Jorge-052.
After contact with the Visegrád Relay was lost on July 23, 2552, UNSC Army troops were sent to Pálháza.
It is named after Pálháza, a current-day Hungarian town.