Ciechnowo

Ciechnowo is a village in the administrative district of Gmina Nasielsk, within Nowy Dwór Mazowiecki County, Masovian Voivodeship, in east-central Poland. It lies approximately 4 kilometres (2 mi) east of Nasielsk, 23 km (14 mi) north-east of Nowy Dwór Mazowiecki, and 44 km (27 mi) north of Warsaw.

The village is situated in a relatively flat, agricultural region characteristic of the Masovian Plain. Historically, Ciechnowo has been part of various administrative reorganizations of Poland and has likely seen its demographics and economic activities shaped by the nearby town of Nasielsk and its proximity to the capital city. Further historical research is needed to ascertain specific events and periods of significance within Ciechnowo's development.