Karolin, Podlaskie Voivodeship
{{Other places|Karolin (disambiguation){{!}}Karolin}}
{{Infobox settlement
| name = Karolin
| settlement_type = Village
| total_type =
| image_skyline = Karolin fragment wsi 04.08.2012 p.jpg
| image_flag =
| image_shield =
| image_map =
| subdivision_type = Country
| subdivision_name = {{POL}}
| subdivision_type1 = Voivodeship
| subdivision_name1 = Podlaskie
| subdivision_type2 = County
| subdivision_name2 = Sejny
| subdivision_type3 = Gmina
| subdivision_name3 = Giby
| pushpin_map = Poland
| coordinates = {{coord|54|3|N|23|17|E|region:PL|display=title,inline}}
| elevation_m =
| population_as_of = 2021
| population_total = 97 {{Cite web|url=https://www.polskawliczbach.pl/wies_Karolin_giby_podlaskie|title=Population of Karolin village |access-date= 2021-10-30 }}
| postal_code_type = Postal code
| blank_name = Car plates
| blank_info = BSE
| code1_name = SIMC
| website =
}}
Karolin {{IPAc-pl|k|a|'|r|o|l|i|n}}, is a village in the administrative district of Gmina Giby, within Sejny County, Podlaskie Voivodeship, in north-eastern Poland, close to the borders with Belarus and Lithuania.{{TERYT}} It lies approximately {{convert|6|km|mi|0|abbr=on}} west of Giby, {{convert|10|km|mi|0|abbr=on}} south-west of Sejny, and {{convert|104|km|mi|0|abbr=on}} north of the regional capital Białystok.
Tourist attractions
In the village there is the former Orthodox Church of the Protection of the Mother of God (Unitarian) and now the Roman Catholic parish church of the Holy Family, built with brick, with valuable interior decoration.{{Cite web |title=Polska Niezwykła- Karolin |url=https://www.polskaniezwykla.pl/web/place/4183,karolin-dawna-cerkiew-staroobrzedowcow-(1846-1851).html}} Entered in the register of historical monuments (Reg. No.: 654 of 10.03.1988){{Cite web |date=30 September 2024 |title=Rejestr zabytków nieruchomych – województwo podlaskie |url=https://nid.pl/wp-content/uploads/2024/10/PDL-rej_30.09.2024.pdf |access-date=2018-04-04 |page=54}}