Complex sentence: The inhabitants of the Mekong Delta region are largely ethnic Viet, with Khmer minority populations living primarily in the Trà Vinh, Sóc Trăng, and Muslim Chăm in Tan Chau, An Giang province.
Split into simpler sentences: The inhabitants of the Mekong Delta region are predominantly ethnic Viet. The Khmer minority population live primarily in the Trà Vinh, Sóc Trăng, and Muslim Chăm in Tan Chau, An Giang province.