They had Australian servers about 10 years ago. I quit when they closed them down, forcing people to transfer their characters to servers with that where considerably more laggy.
Star Wars: The Old Republic getting Australian servers
Submitted 11 months ago by briongloid@aussie.zone to patientgamers@sh.itjust.works
https://www.swtor.com/info/news/article/20231115
briongloid@aussie.zone 11 months ago
From what I understand, the game was recently moved to AWS, which makes regional servers significantly easier and cheaper.