- turna.com blog/kostencede-gorulmesi-gereken-5-…
- flickr.com photos/tags/köstence/"Köstence eski topraklar" by Emel D. 13. en.wikipedia.org/wiki/Cathedral_of_Saints_Peter_and_Paul,...
- ro.polomap.com tr/constanța/15885
- kulturenvanteri.com tr/yer/kral-camii-kostence/
- en-academic.com dic.nsf/enwiki/11573647The Cathedral of Saints Peter and Paul. The Ottoman Hunchiar mosque in Constanta is still used by the Turkish minority. ... St. Peter & Paul Orthodox Cathedral.
- gruppal.com blog/kostence-gezi-rehberi
- gezi-yorum.net romanya-kostence/
- aroundtogether.com Köstence (Constanta) Şehri
- http://turkcewikipedia.com kostence
- gezilecekyerler.com Constanta (Köstence) Nerede, Hangi Ülkede?