Historical regions of Poland.
Historical regions are usually a tricky thing to establish since they often depend not only on geography, but also on old political borders. That’s why sometimes they overlap each other.
Pomorze Zachodnie – West Pomerania
Pomorze Wschodnie – East Pomerania/Pomerelia (Other name – Gdańsk Pomerania)
Prusy Królewskie – Royal Prussia, consisting of Warmia (Ermland), Ziemia Chełmińska (Chełmno land), East Pomerania and Ziemia Malborska (Malbork land)
Prusy – Prussia, consisting of Royal Prussia, Mazury (Masuria), Prusy Górne (Upper Prussia), Prusy Dolne (Lower Prussia), and outside Polish borders Sambia and Litwa Mniejsza (Lesser Lithuania)
Mazowsze – Mazovia
Ruś Czarna – Black Ruthenia, mostly in Belarus
Ruś Czerwona – Red Ruthenia. It includes Wołyń (Volhynia), mostly in Ukraine.
Małopolska – Lesser Poland
Śląsk – Silesia, major subdivisions are Dolny Śląsk (Lower Silesia) and Górny Śląsk (Upper Silesia)
Łużyce Górne – Upper Lusatia, mostly in Germany
Łużyce Dolne – Lower Lusatia, mostly in Germany
Ziemia Lubuska & Nowa Marchia – Lubusz Land and New March/Neumark – By far the weirdest regions, both can be summarized as anything Brandenburgians conquered or purchased from Polish duchies in 13th and 14th century
Wielkopolska – Greater Poland
Kujawy – Kuyavia