1. Only local sim cards work there.
2. Vietnamese hardly speak English. So, you need to keep your Google Translator handy.
3. You might need to ask if the dish served to you has pork or beef.
4. Exploring Vietnam on bikes is highly thrilling.
5. Hoi An is a fashionista's hub in Vietnam.
6. You can try free beers with food at Old Quarter, Vietnam.
7. Reverse rickshaws ply on Vietnam streets. This means you sit in front, and the rickshaw puller sits behind you.
8. It often rains in Vietnam, especially in Da Nang and Nha Trang. So, you will need to buy raincoats.
9. You can explore caves surrounded by sea at Halong Bay.