Top 10 Must-Visit Places in Vietnam 2026 — Entry Port, Best Time, Visa by Destination

10-row quick-reference table (destination/region/entry port/best months), each destination with intro paragraph + Practical notes + eVisa entry port note (entry port per destination, with "never SIN/ICN/KUL" warnings), visa exemption table (UK/FR/DE/KR/JP 45 days, ASEAN 30 days, US/CA/AU/IN eVisa required), Phu Quoc 30-day special zone explained, FAQ (visa/best time/entry port). Schema: ItemList + FAQPage + Speakable.