A-nah-stah-see-yah (Greek, Russian, Ukrainian, Belarusian, Spanish, Bosnian, Bulgarian, Croatian, Macedonian, Serbian, Slovene)
[key]submitted by Stasiya
Ah-nah-stay-see-ah (English)
submitted by Stasiya
ah-nah-stah-SEE-yah (Greek)
[key]submitted by heyyyyyyyyyyyy, with the note: Same goes for Russian and Ukrainian.
a.nas.ˈta.zjo (Italian)
[key]submitted by LionB3, with the note: a-nas-TA-zya