Warmian-Masurian Voivodeship or Warmia-Masuria Province or Warmia-Mazury Province (in Polish: Województwo warmińsko-mazurskie, [vɔjɛˈvut͡stfɔ var ˈmiɲskɔ maˈzurskʲɛ] is a voivodeship in northeastern Poland.Its capital and largest city is Olsztyn.The voivodeship has an area of 24,192 km 2 (9,341 sq mi) and a population of 1,425,967 (as of 2019).

Bobrowniki Castle – Kuyavian-Pomeranian Voivodeship; Bochotnica Castle – Lublin Voivodeship; Bodzentyn Castle – Świętokrzyskie Voivodeship; Bolczów Castle – Lower Silesian Voivodeship; Bolesławiec Castle – Lower Silesian Voivodeship; Bolków Castle – Lower Silesian Voivodeship; Borysławice Zamkowe – Greater Poland Voivodeship; Braniewo Castle – Warmian-Masurian …