Vietnam.

Hanoi, Hoi An, and Saigon is the circuit Viaive builds most often. Three cities, three distinct moods, and a flight sequence that keeps transfers under 90 minutes. The first question is which cities anchor the stay — most travelers spend too long in one and not long enough in another. Viaive advises on the split before the hotels are chosen.

A three-night stop — typically Hanoi or Ho Chi Minh City alone — treats Vietnam as a routing waypoint on a larger regional itinerary rather than the destination itself. Hotel depth stays shallow: one confirmed property, no multi-city sequencing. Flight sequence is a single in-and-out. This is the right template when Vietnam is a stopover on the way to or from another Southeast Asia leg, not the trip's anchor.

Con Dao is an outlier add-on, not a default stop. It suits travelers who have already done a north-to-south circuit and want a remote-island, low-infrastructure counterpoint, or divers specifically seeking its marine park. It does not fit a three-night routing stop and rarely fits a first-time seven-night itinerary — the transfer logistics only pay off when the guest profile and available time support a genuine detour.