Duchy of Sieradz ended in 1339.
Sieradz was created in 1247.
The population of Sieradz is 44,045.
The population of Gmina Sieradz is 9,788.
The area of Sieradz is 51.22 square kilometers.
Sieradz County's population is 121,013.
The area of Gmina Sieradz is 181.63 square kilometers.
The area of Sieradz County is 1,491.04 square kilometers.
Duchy of Württemberg ended in 1806.
Duchy of Neopatria ended in 1390.
Duchy of Zator ended in 1919.
Duchy of Silesia ended in 1918.
Duchy of Limburg ended in 1794.