Gmina Janowo is a rural gmina (administrative district) in Nidzica County, Warmian-Masurian Voivodeship, in northern Poland. Its seat is the village of Janowo, which lies approximately east of Nidzica and south of the regional capital Olsztyn.
The gmina covers an area of , and as of 2006 its total population is 2,886.
Gmina Janowo contains the villages and settlements of Grabówko, Grabowo, Jagarzewo, Janowo, Komorowo, à Âomno, Muszaki, Puchaà Âowo, Rembowo, Róg, Ruskowo, Ryki-Borkowo, Szczepkowo-Giewarty, Szemplino Czarne, Szemplino Wielkie, Ulesie, Uà Âcianek, Wichrowiec, WiÃÂckowo, Zachy, Zawady, Zdrojek and Zembrzus-Mokry Grunt.
Gmina Janowo is bordered by the gminas of Chorzele, Dzierzgowo, Janowiec Koà Âcielny, Jedwabno, Nidzica and Wielbark.
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