Sieradz Land (Polish: ziemia sieradzka; Latin: Terra Siradiae) is a historical region in central Poland, a part of Łęczyca-Sieradz Land (Polish: ziemia łęczycko-sieradzka).
Its traditional capital is Sieradz, while other bigger cities are Piotrków Trybunalski (another historically important locality), Radomsko, Tomaszów Mazowiecki (partly in Łęczyca Land), Bełchatów, Zduńska Wola, and Pabianice (a suburb of Łódź).
The last will and testament of the Piast duke Bolesław III Wrymouth of Poland, established rules for governance of the Polish kingdom by his four surviving sons after his death. By issuing it, Bolesław planned to guarantee that his heirs would not fight among themselves, and would preserve the unity of his lands under the Piast dynasty. However, soon after his death his sons fought each other, and Poland entered a period of fragmentation lasting about 200 years.
Sieradz [ˈɕɛrat͡s] (Latin: Siradia,German: 1941-45 Schieratz) is a city on the Warta river in central Poland with 40,891 inhabitants (2021). It is the seat of the Sieradz County, situated in the Łódź Voivodeship. Sieradz is a capital of the historical Sieradz Land.
Sieradz is one of the oldest cities in Poland. It was an important city of medieval Poland, thrice being a location for the election of the Polish monarchs. Polish Kings chaired six assemblies from here. Historically, it was the capital of the Duchy of Sieradz (1263-1339), Sieradz Voivodeship (1339–1793), and Sieradz Voivodeship (1975–1998). It is located on the Route of the Heroes of the Battle of Warsaw 1920, the main highway connecting Wrocław with Łódź, Warsaw and Białystok.
Łęczyca Land (Polish: ziemia łęczycka; Latin: Terra Lanciciensis) is a historical region in central Poland, a part of Łęczyca-Sieradz Land (Polish: ziemia łęczycko-sieradzka).
Its historical capital is Łęczyca, while the largest city is Łódź, while other bigger cities are Zgierz, and Tomaszów Mazowiecki (partly in Sieradz Land).
The Duchy of Sieradz (Latin: ducatus Siradiae, Polish: Księstwo Sieradzkie), also known as the Duchy of Siradia, was created based on part of the Duchy of Łęczyca in 1263. Duchy of Łęczyca was created around 1231 from Province of Łęczyca, a part of the Seniorate Province by Konrad I of Masovia.
Ruled by the rivaling Masovian branch of the Piast dynasty. In 1299 Duke Władysław I the Elbow-high had to cede Sieradz to King Wenceslaus II of Bohemia, who had also obtained the Seniorate Duchy of Kraków in 1291. Nevertheless, upon the extinction of the Bohemian Přemyslid dynasty in 1306, it was reunited with the Kingdom of Poland as a vassal duchy, and after 1339 incorporated by King Casimir III the Great into the Lands of the Polish Crown as Sieradz Voivodship. Around that time, the term Sieradz Land (Terra Siradiensis, ziemia sieradzka) begun replacing the older Duchy nomenclature.
Kalisz Region (Polish: Kaliskie) is a historical and ethnographical region in central Poland, located mainly in the Greater Poland Lakes Area and South Greater Poland Plain. It forms the eastern part of the historic region of Greater Poland.
Kalisz Region encompasses the area of the former Kalisz Voivodeship, south of Lake Gopło as well as Wieluń Land. In the north it borders Kuyavia, in the south it borders Lower Silesia, in the west it borders Poznań Region and in the east it borders with Sieradz Land and Lęczyca Land.
Kamieńsk (Polish pronunciation: [ˈkamjɛj̃sk]) is a town in south-central Poland, in the Łódź Voivodeship, in Radomsko County. As of 2020, it had 2,703 inhabitants. It is located in the Sieradz Land.
There is an airport named Kamieńsk-Orla Góra in Kamieńsk mainly used for agricultural purposes.
Szadek [ˈʂadɛk] is a town in Zduńska Wola County, Łódź Voivodeship, Poland, with 1,898 inhabitants (2020). It is located in the Sieradz Land.