Działdowo (German: Soldau) is a town in north-central Poland with 24,830 inhabitants (2006), the capital of Działdowo County. Situated in the Warmian-Masurian Voivodeship (since 1999), Działdowo previously belonged to Ciechanów Voivodeship (1975–1998). The town is a major railroad junction, in Dzialdowo the strategic connection from Warsaw splits into two directions - towards Gdańsk and towards Olsztyn.