 A 2009 field-study by the London School of Economics (LSE) found that some Deim Zubeir residents“"were mostly concerned with wanting the town’s original tribal name ‘Uyuku’ back.At the same time, some residents wanted to join Aroyo County near Aweil in Northern Bahr el-Ghazal while others wanted to stay with Western Bahr el Gezal because they speak a similar language (Luer)".” A 2003 field-study of linguistics found that the Northern Lwoo language Thuri ""is spoken by some 6000 individuals in small pockets in western Bahr el-Ghazal, around the towns of Deim Zubeir and Bora".