Cửu Long Province

Cửu Long was a province in the Mekong Delta region of southern Vietnam. It was created in 1976 from the merger of Vĩnh Long Province and Vĩnh Bình Province. In 1992 Cửu Long was re-split into Vĩnh Long and Trà Vinh provinces.

In Vietnamese, Cửu Long (deriving from the Sino-Vietnamese ) literally means "nine dragons," referring to the Mekong, known in Vietnamese as the "River of Nine Dragons".

The area of Hong Kong called Kowloon shares a common etymology.

...
Wikipedia