Cambodia, Indonesia, Malaysia, Myanmar, Philippines (B), Singapore (B), Thailand, Vietnam.
Southern Myanmar (southern Tenasserim), southern Thailand, Cambodia and southern Vietnam (southern Annam, Cochinchina) through Peninsular Malaysia to Sumatra (and most surrounding islands), Borneo (including Anambas and Natuna Is), Sulawesi and several offshore islands, Philippines, Java, Lombok and Sumbawa.
 
Population
Estimated population is unknown (2010).
Pink-necked Green Pigeon (Treron vernans) [XC151213]
by Ding Li Yong from Meru Valley, Ipoh, Kinta, Perak, Malaysia (song)
Pink-necked Green Pigeon (Treron vernans) [XC185287]
by Somkiat Pakapinyo (Chai) from Neo Tiew Lane, Singapore (song)
Subspecies
Most closely related to Orange-breasted Green-Pigeon (Treron bicinctus). Many subspecies described, but variation appears to be minor and essentially clinal. Further research is required.