Kołacinek [kɔwaˈt͡ɕinɛk] is a village in the administrative district of Gmina Dmosin, within Brzeziny County, Łódź Voivodeship, in central Poland. It lies approximately 9 kilometres (6 mi) south-east of Dmosin, 10 km (6 mi) north-east of Brzeziny, and 27 km (17 mi) east of the regional capital Łódź.

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  18th-century church in Kolacinek
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  Details of the outside
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  Details of the outside