One of the most exciting new iOS 9.2 features is Siri Arabic language support. With the iOS 9.2 update installed users can speak to Siri in Arabic and use the phone, much like users who speak English, German and other languages can.
The video above shows the Siri Arabic support in action on iOS 9.2. Apple specifically calls out Saudi Arabia and the United Arab Emirates as the regions this works in. Users who speak Arabic but are in other regions can still enable the service in Settings -> General -> Siri -> Language -> Arabic.
This feature supports Siri Now, but does not offer choices for Siri voices based on gender.