From Stamps of the World
Iława (say [iˈwava]) (German: Deutsch Eylau)) is a town (32,276 inhabitants in 2010) in northeastern Poland. It is situated in the Warmian-Masurian Voivodeship (since 1999); previously it was in Olsztyn Voivodeship (1975–1998). It is the capital of Iława County. It was in Kreis Rosenberg, District of Marienwerder when in Prussian Westpreussen province.
Postmarks in Poland
Postmarks in Empire of Germany
Postmarks in North German Confederation
Postmarks in West Prussia province
DEUTSCH EYLAU used a postal code 400.