Wọ́n tún maa ń pè ẹ ní Garkin dirani, èyí tó jẹ́ orúkọ olórí agbègbè náà.Ó ní ìwọ̀n ìsọ TO 1,408 km àti èrò tó ń lo bíi 152,233, ìyẹn ní ọdún 2006.kóòdù ìgbéránṣẹ́ agbègbè náà ní 733.. 