What it means
Gulf audiences search in English, Modern Standard Arabic, dialect, and transliterated mixes ("3arabizi"). True bilingual SEO means properly translated (not machine-dumped) content, right-to-left layout, hreflang tags so Google serves the right language, and keyword research done natively in Arabic.
Why it matters
Most regional competitors do English-only or run weak auto-translations, leaving the Arabic SERP wide open. Done properly, bilingual SEO captures demand rivals never see — and signals to the market that you are genuinely local, not a copy-paste of a Western playbook.