Saudi Arabia
The official language of Saudi Arabia is Arabic. The three main regional variants spoken by Saudis are Hejazi Arabic (about 6 million speakers), Najdi Arabic (about 8 million speakers), and Gulf Arabic (about 0.2 million speakers). Saudi Sign Language is the principal language of the deaf community. The large expatriate communities also speak their own languages, the most numerous of which are Tagalog (700,000), Rohingya (400,000), Urdu (380,000), Egyptian Arabic (300,000), and Indonesian (250,000).
Palestinian Arabic
The dialects spoken by the Arabs of the Levant – the Eastern shore of the Mediterranean – or Levantine Arabic, form a group of dialects of Arabic. Arabic manuals for the "Syrian dialect" were produced in the early 20th century, and in 1909 a specific "Palestinean Arabic" manual was published.