History nature and beautiful beaches are what make up this stunning area of central vietnam the contrast between the modern and thriving city of da nang and the small and charming historic hoi an is noteworthy with da nang being more the commercial heart of this part of vietnam the unique trading town of hoi an was a civilization cut off by destroyed rail lines and a silted river leaving it untouched by war and frozen in time see architecture reminiscent of traders of a bygone era japan