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) [XC895019]
by Frank Lambert from Ko Kret (near Tambon Ko Kret), Amphoe Pak Kret, Chang Wat Nonthaburi, Thailand (call)
Pink-necked Green Pigeon (Treron vernans) [XC578357]
by Kim Chuah Lim from Pulau Ubin, Singapore, 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.