Wegrow – town and commune in Mazovia region, seat of Wegrow municipality, country commune – Liw and Wegrow Poviat (1867-1975 and since 1999).
According to 31th Decembr 2010 data, town had 12 641 residents.
Wegrow is located in the Wegrow Valler, on the right bank of Liwiec bank. Czerwonka River is floating through the town.