Trzciniec Duży

Trzciniec Duży is a village in the administrative district of Gmina Kosów Lacki, within Sokołów County, Masovian Voivodeship, in east-central Poland. It lies approximately 4 km south of Kosów Lacki, 20 km north-west of Sokołów Podlaski, and 87 km north-east of Warsaw.