Gmina Ciechanowiec is an urban-rural gmina (administrative district) in Wysokie Mazowieckie County, Podlaskie Voivodeship, in north-eastern Poland. Its seat is the town of Ciechanowiec, which lies approximately south of Wysokie Mazowieckie and south-west of the regional capital Biaà Âystok.
The gmina covers an area of , and as of 2006 its total population is 9,454 (out of which the population of Ciechanowiec amounts to 4,898, and the population of the rural part of the gmina is 4,556).
Apart from the town of Ciechanowiec, Gmina Ciechanowiec contains the villages and settlements of Antonin, Bujenka, Ciechanowczyk, Czaje-Bagno, Czaje-Wólka, Dàbczyn, Kobusy, Koce-Basie, Koce-Piskuà Ây, Koce-Schaby, Kosiorki, Kostuszyn-Kolonia, Kozarze, Kuà Âaki, à Âempice, Malec, Nowodwory, Pobikry, Przybyszyn, Radziszewo Stare, Radziszewo-Króle, Radziszewo-Sieà Âczuch, Skórzec, Trzaski, Tworkowice, Winna-Chroà Ây, Winna-Poà ÂwiÃÂtna, Winna-Wypychy, Wojtkowice Stare, Wojtkowice-Dady, Wojtkowice-Glinna and Zadobrze.
Gmina Ciechanowiec is bordered by the gminas of Boguty-Pianki, Grodzisk, Jabà Âonna Lacka, Klukowo, Nur, Perlejewo, Rudka and Sterdyà Â.