Chiojdeanca

{{for|the river in Prahova County|Chiojdeanca (river)}}

{{Infobox Romanian subdivision

|type = commune

|county = Prahova

|official_name = Chiojdeanca

|image_seal = ROU PH Chiojdeanca CoA.png

|image_map = Chiojdeanca jud Prahova.png

|image_skyline = Chiojdeanca ( Prahova, România).JPG

|image_caption = View of Chiojdeanca

|map_caption = Location in Prahova County

|leader_name = Gheorghe Baba-Iana{{cite web |url=https://prezenta.roaep.ro/locale27092020/romania-pv-final |title=Results of the 2020 local elections |publisher=Central Electoral Bureau |access-date=8 September 2021 |df=dmy-all}}

|leader_party = PSD

|term = 2020–2024

|coordinates = {{coord|45|10|N|26|16|E|region:RO_type:city_source:GNS-enwiki|display=it}}

|elevation = 210

|elevation_min =

|elevation_max =

|area_total = 31.48

|population_as_of =

|population_total = auto

|population_footnotes =

|postal_code = 107150

|area_code = +(40) 244

|website = {{URL|https://cjph.ro/localitate/chiojdeanca/}}

}}

Chiojdeanca is a commune in Prahova County, Muntenia, Romania. It is composed of three villages: Chiojdeanca, Nucet, and Trenu.

The commune lies on both banks of the river Chiojdeanca, surrounded by the Sub Carpathian hills. It is located in the eastern part of the county, on the border with Buzău County, at a distance of {{cvt|43|km}} from the county seat, Ploiești, and {{cvt|60|km}} from Buzău.

{{Historical populations

|source = Census data

|1900 | 2598

|1965 | 2789

|1975 | 2461

|1992 | 1954

|2002 | 1812

|2011 | 1728

|2021 | 1510

}}