Hanoi, Ho Chi Minh City, and Can Tho are all municipalities of Vietnam; municipalities are considered to be the lowest-ranked cities in the country..
On the First Tier, Vietnam is divided into 58 provinces (Vietnamese: tinh) and 5 municipalities (Vietnamese: thanh pho truc thuoc trung uong). Municipalities are the highest-ranked cities in Vietnam. Hanoi Ho Chi Minh City Can Tho 
