Bronno is a village in the administrative district of Gmina Łęczyca, within Łęczyca County, Łódź Voivodeship, in central Poland. It lies approximately 8 km west of Łęczyca and 40 km north-west of the regional capital Łódź. In Bronno, there are production plants of Ekopol - a manufacturer of domestic sewage treatment plants, and a facility producing paving bricks. Here, there is a water intake supplying the southern part of the Łęczyca municipality. The Bronno drinking water intake consists of two deep wells with a total capacity of 170 m³/h. In the village of Bronno, there is a water treatment station. From 1975 to 1998, the village was administratively part of the Płock Voivodeship.