Duchy of Sieradz ended in 1339.
Sieradz was created in 1247.
The population of Sieradz is 44,045.
Sieradz County's population is 121,013.
The population of Gmina Sieradz is 9,788.
The area of Sieradz is 51.22 square kilometers.
The area of Sieradz County is 1,491.04 square kilometers.
The area of Gmina Sieradz is 181.63 square kilometers.
Duchy of Bytom ended in 1498.
Duchy of Burgundy ended in 1477.
Duchy of Carinthia ended in 1919.
Duchy of Carniola ended in 1918.
Duchy of Florence ended in 1569.