Words to Describe tonkin

How tonkin often is described ("________ tonkin")

• haut
• upper
• modern
• colonial
• annam
• west
• central
• western
• century
• lower
• yunnan
• late
• former
• eastern
• northern
• north
• china
• ferry
• overcrowded
• northeastern
• northwestern
• adjacent
• post
• east
• rural
• northwest
• french
• southern
• mountainous