{{For|the Russian city|Saint Petersburg}} {{Infobox settlement | name = Petrohrad | other_name = | settlement_type = Municipality <!-- images --> | image_skyline = Petrohrad zámek nároží.JPG | image_caption = Petrohrad Castle | image_flag = Petrohrad znak.jpg | image_shield = Petrohrad vlajka.jpg <!-- location --> | subdivision_type = Country | subdivision_name = {{CZE}} | subdivision_type1 = Region | subdivision_name1 = Ústí nad Labem | subdivision_type2 = District | subdivision_name2 = Louny <!-- maps and coordinates --> | image_map = | map_caption = | pushpin_map = Czech Republic | pushpin_relief = 1 | pushpin_map_caption = Location in the Czech Republic | coordinates = {{coord|50|7|39|N|13|26|47|E|display=inline,title}} | coordinates_footnotes = <!-- government type, leaders --> | leader_title = | leader_name = <!-- established --> | established_title = First mentioned | established_date = 1360 <!-- area --> | area_footnotes = | area_total_km2 = 18.50 <!-- elevation --> | elevation_footnotes = | elevation_m = 365 <!-- population --> | population_as_of = 2025-01-01 | population_footnotes = <ref>{{cite web|title=Population of Municipalities – 1 January 2025|url=https://csu.gov.cz/produkty/population-of-municipalities-t4l3n8d2iw|publisher=Czech Statistical Office|date=2025-05-16}}</ref> | population_total = 620 | population_density_km2 = auto <!-- time zone(s) --> | timezone1 = CET | utc_offset1 = +1 | timezone1_DST = CEST | utc_offset1_DST = +2 <!-- postal codes, area code --> | postal_code_type = Postal codes | postal_code = 439 85, 441 01 | area_code_type = | area_code = <!-- website, footnotes --> | website = {{URL|https://www.petrohrad-obec.cz/}} | footnotes = }} '''Petrohrad''' ({{langx|de|Petersburg}}) is a municipality and village in Louny District in the Ústí nad Labem Region of the Czech Republic. It has about 600 inhabitants.

Petrohrad lies approximately {{convert|36|km|mi}} south-west of Louny, {{convert|73|km|mi|abbr=on}} south-west of Ústí nad Labem, and {{convert|71|km|mi|abbr=on}} west of Prague.

==Administrative division== Petrohrad consists of three municipal parts (in brackets population according to the 2021 census):<ref>{{cite web |title=Public Census 2021 – basic data|url=https://vdb.czso.cz/vdbvo2/faces/en/index.jsf?page=vystup-objekt-parametry&z=T&f=TABULKA&sp=A&skupId=4690&katalog=33475&pvo=SLD21043-CO|work=Public Database|publisher=Czech Statistical Office|language=cs|date=2022}}</ref> *Petrohrad (482) *Bílenec (56) *Černčice (140)

==Demographics== {{historical populations |align=none|cols=1 |1869|1092 |1880|1241 |1890|1194 |1900|1232 |1910|1281 |1921|1458 |1930|1590 |1950|929 |1961|1055 |1970|1029 |1980|853 |1991|729 |2001|690 |2011|749 |2021|678 |source=Censuses<ref>{{cite web |title=Historický lexikon obcí České republiky 1869–2011|url=https://csu.gov.cz/produkty/historicky-lexikon-obci-1869-az-2015|publisher=Czech Statistical Office|language=cs|date=2015-12-21}}</ref><ref>{{cite web |title=Population Census 2021: Population by sex|url=https://vdb.czso.cz/vdbvo2/faces/en/index.jsf?page=vystup-objekt-parametry&z=T&f=TABULKA&sp=A&skupId=4429&katalog=33515&pvo=SLD21001-OB-OK|work=Public Database|publisher=Czech Statistical Office|date=2021-03-27}}</ref>}}

==References== {{reflist}}

==External links== {{commons category|Petrohrad (Louny District)|Petrohrad}} *{{official|https://www.petrohrad-obec.cz/}}

{{Louny District}}

{{authority control}}

Category:Villages in Louny District

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