The note from Nadia that Sayid is reading in the beginning is written in Arabic and translates to "If you will not see me in this life, see me in the other."
Also, although the message is in Arabic, Sayid's name is written in English on the front of the envelope.
Danielle tells Sayid that her vessel was 3 days out of Tahiti when a storm broke and they crashed. This would place the island somewhere due east of Australia.