Majdan (Polish pronunciation: [ˈmajdan]) is a village in the administrative district of Gmina Baranowo, within Ostrołęka County, Masovian Voivodeship, in east-central Poland. It lies approximately 3 kilometres (2 mi) south-west of Baranowo, 23 km (14 mi) north-west of Ostrołęka, and 107 km (66 mi) north of Warsaw.