Kazin  is a village in the administrative district of Gmina Nakło nad Notecią, within Nakło County, Kuyavian-Pomeranian Voivodeship, in north-central Poland.
Kazin is a rural settlement located in the administrative area of Nakło County, situated in the Gmina Nakło nad Notecią, within the Kuyavian-Pomeranian region of northern Poland.