Chałków is a village in central Poland. It is located within the administrative district of Gmina Poświętne, in Opoczno County, Łódź Voivodeship.
Situated approximately 5 kilometres (3 mi) east of Poświętne, 23 km (14 mi) north-east of Opoczno, and 76 km (47 mi) east of the regional capital Łódź, Chałków lies in the historical region of Lesser Poland. As of the 2011 census, the village had a population of approximately 200 residents.
Prior to Poland's administrative reforms of 1999, Chałków was part of the Piotrków Voivodeship. Its current administrative affiliation places it within the larger Łódź Voivodeship, which encompasses much of central Poland. The local economy is primarily agrarian, typical of rural settlements in the region.