The Museum is located in the 17th-century tenement house at the Market Square. Rich archaeological and ethnographic collections, work of arts, handicraft products and historical documents are gathered here. The museum shows the past of Sieradz region from the prehistory to present times but also folk art, folklore and local customs. Sieradz Ethnographic Park with original peasant cottages built at the turn of the 19th and 20th centuries is located on the river Żeglina, near the castle hill.