Eastern Province, Saudi Arabia
The official language of Saudi Arabia is Arabic. The three main regional variants spoken by Saudis are Hejazi Arabic, Najdi Arabic, and Gulf Arabic. There are approximately 2 million Gulf Arabic speakers in Saudi Arabia, and the dialect is only spoken in the Eastern Province. The remaining Arabic speakers in the province speak one of the other two dialects, more commonly the Najdi dialect. 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 Indian languages, Filipino/Tagalog, Egyptian Arabic, Indonesian, Rohingya, and Urdu.Saudi Aramco, the state-owned oil producing company of Saudi Arabia, is based in Dhahran, which is located in the Eastern Province, and most decisions on oil policy and production that affect the global economy are made there. The kingdom's main oil and gas fields are mostly located in the Eastern Province, onshore and offshore. Notable among these are the Ghawar Field and the largest crude increment in the world. Petroleum from the fields is shipped to dozens of countries from the oil port of Ras Tanura and is also used as feedstock in numerous industrial plants in Jubail.
Semitic languages
For more comparative vocabulary lists, see Wiktionary appendices:There are six fairly uncontroversial nodes within the Semitic languages: East Semitic, Northwest Semitic, North Arabian, Old South Arabian (also known as Sayhadic), Modern South Arabian, and Ethiopian Semitic. These are generally grouped further, but there is ongoing debate as to which belong together. The classification based on shared innovations given below, established by Robert Hetzron in 1976 and with later emendations by John Huehnergard and Rodgers as summarized in Hetzron 1997, is the most widely accepted today. In particular, several Semiticists still argue for the traditional (partially nonlinguistic) view of Arabic as part of South Semitic, and a few (e.g. Alexander Militarev or the German-Egyptian professor Arafa Hussein Mustafa) see the South Arabian languages as a third branch of Semitic alongside East and West Semitic, rather than as a subgroup of South Semitic. Roger Blench notes that the Gurage languages are highly divergent and wonders whether they might not be a primary branch, reflecting an origin of Afroasiatic in or near Ethiopia. At a lower level, there is still no general agreement on where to draw the line between "languages" and "dialects" an issue particularly relevant in Arabic, Aramaic, and Gurage and the strong mutual influences between Arabic dialects render a genetic subclassification of them particularly difficult.