Działdowo is a town in northern Poland with 20,935 inhabitants as of December 2021, the capital of Działdowo County. As part of Masuria, it is situated in the Warmian-Masurian Voivodeship.

Iłowo-Osada pronounced is a village in Działdowo County, Warmian-Masurian Voivodeship, in northern Poland. It is the seat of the gmina called Gmina Iłowo-Osada. It is located in the historic region of