Łęg Probostwo [ˈwɛnk prɔˈbɔstfɔ] is a village in the administrative district of Gmina Drobin, within Płock County, Masovian Voivodeship, in east-central Poland. It lies approximately 9 kilometres (6 mi) south-west of Drobin, 21 km (13 mi) north-east of Płock, and 93 km (58 mi) north-west of Warsaw.