Si Phan Don – The 4.000 Islands By Gilles & Heidi on 20. June 2008 in Laos Don Det, 4.000 Islands, South Laos Of the so called 4.000 islands on the southernmost part of the Mekong in Laos, only three are tourist destinations: Don Khong, Don Det & Don Khon. We guess all readers now know that “Don” means “Island” in Lao. Continue Reading → 0