Plentong is a mukim in Johor Bahru District, Johor, Malaysia. It is located in the south of Johor Bahru and north of Skudai.
The mukim was formerly part of the Muar district before it was transferred to Johor Bahru district on 1 January 2007. The name "Plentong" means "a place of plenty" in Malay language.
The population consists mostly of Malays and Chinese people with a small minority of Indians and other ethnic groups.
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