Ἀρσακία
Could not find Ἀρσακίου in Logeion dictionaries.
Ἀρσακίου Proper-name adjective: masculine genitive singular, Proper-name adjective: neuter genitive singular of Ἀρσάκειος
Arsacia ciu. de Media al noroeste de Apamea, Str.11.13.6, Ptol.Geog.6.2.16, 8.21.10, St.Byz.