Gmina Dziadkowice is a rural gmina (administrative district) in Siemiatycze County, Podlaskie Voivodeship, in north-eastern Poland. Its seat is the village of Dziadkowice, which lies approximately 14 kilometres (9 mi) north of Siemiatycze and 66 km (41 mi) south of the regional capital Białystok.
|Coordinates (Dziadkowice): Coordinates:|
|• Total||115.71 km2 (44.68 sq mi)|
|• Density||26/km2 (68/sq mi)|
The gmina covers an area of 115.71 square kilometres (44.7 sq mi), and as of 2006 its total population is 3,058.
Gmina Dziadkowice contains the villages and settlements of Brzeziny-Janowięta, Dołubowo, Dziadkowice, Hornowo, Hornowszczyzna, Jasienówka, Kąty, Korzeniówka, Lipiny, Malewice, Malinowo, Osmola, Smolugi, Smolugi-Kolonia, Wojeniec, Zaminowo, Zaporośl, Zaręby, Żuniewo and Żurobice.