Kierzek
Village
Kierzek
Coordinates: 53°14′N 21°19′E / 53.233°N 21.317°E / 53.233; 21.317
Country	Poland
Voivodeship	Masovian
County	Ostrołęka
Gmina	Kadzidło

Kierzek [ˈkʲɛʐɛk] is a village in the administrative district of Gmina Kadzidło, within Ostrołęka County, Masovian Voivodeship, in east-central Poland.^[1] It lies approximately 10 kilometres (6 mi) west of Kadzidło, 25 km (16 mi) north-west of Ostrołęka, and 115 km (71 mi) north of Warsaw.