'Dharawal is the northernmost of the coastal Yuin languages. It was spoken in the Illawarra region, roughly between Botany Bay and Jervis Bay. Its neighbours were the Sydney language to the north and Dharamba to the south' (Wafer & Lissarrague 2008:108).
Besold (2012-13:2) treats Wodi Wodi S58 as a local group name from the Illawarra area (Wollongong down to Jervis Bay) whose language is a southern dialect S58 of Dharrawal (S59). Eades (1976) concludes that Wodi Wodi S58 refers to the same language as Dharawal (S59). Dixon treats Wodi Wodi S58 as a possible dialect of Dharawal (S59) (2002: xxxv).
Besold (2012-13:70) reports that Gweagal D63 is the name of one of the social groups residing on the northern arm of Botany Bay (around La Perouse) and whose language is a northern dialect of Dharrawal D63. She also says that Gweagal is possibly a variant spelling of guya-gal 'south-belong', that is 'southerners' of the Kurnell Peninsula. Eades (1976:3) comments that it seems most unlikely there was any distinct dialect or language called Gwiyagal D63, suspecting that it was probably the name of a local group. Capell (1970:21) says Gwiyagal D63 is probably a dialectal form of Thurrawal (S59), having a distinct vocabulary.
See also Northern Dharawal D63 and Southern Dharawal S58.
... spoken from the southern shores of Botany Bay to the Nowra-Jervis Bay area, and Dhurga from the Nowra-Jervis Bay area to Wallaga Lake (Eades 1976:5). ... from south side of Botany Bay,extending south as far as the Shoalhaven River; from the coast to the Georges River and Appin, and possibly as far west as Camden (Attenbrow 2002:34). ... on the south side of Botany Ban extending down the coast as far as Nowra and Jervis Bay (ALRRC). From south side of Botany Bay and Port Hacking to north of Shoalhaven River. Inland to Campbelltown and Camden (Tindale 1974).
Ann Nugent developed curriculum materials for school use in 1980.
Speaker numbers were measured differently across the censuses and various other sources listed in AUSTLANG. You are encouraged to refer to the sources.
Speaker numbers for ‘NILS 2004’ and ‘2005 estimate’ come from 'Table F.3: Numbers of speakers of Australian Indigenous languages (various surveys)' in 'Appendix F NILS endangerment and absolute number results' in McConvell, Marmion and McNicol 2005, pages 198-230 (PDF, 2.5MB).
Eades, Diana. 1976. The Dharawal and Dhurga languages of the New South Wales south coast. Canberra:AIAS.