Brzeźno is a settlement in the administrative district of Gmina Morzeszczyn, within Tczew County, Pomeranian Voivodeship, in northern Poland. It lies approximately 7 kilometres (4 mi) west of Morzeszczyn, 29 km (18 mi) south of Tczew, and 57 km (35 mi) south of the regional capital Gdańsk.