Gzy is a rural commune in the Masovian Voivodeship, within the Pułtusk County. Between 1975 and 1998, it belonged to the former Ciechanów Voivodeship. The administrative seat of the commune is the village of Gzy. According to 2017 data, the commune had a population of 3,858, with a declining trend that has persisted for 15 years.
The commune covers an area of 104.44 km², of which agricultural land predominates (88%), while forested areas account for 7%. The commune constitutes 12.6% of the total area of Pułtusk County. Its settlements include village districts (sołectwa) such as Gzy, Kozłowo, and Szyszki, among many others that shape the local landscape. The commune borders the following municipalities: Gołymin-Ośrodek, Karniewo, Pułtusk, Sońsk, Świercze, and Winnica.
Gzy is home to several educational institutions, including the Public Middle School named after Pope John Paul II and three Public Primary Schools. Additionally, the Communal Public Library operates in Gzy, underscoring the region's emphasis on education and culture.
Fire protection in the commune is provided by six Volunteer Fire Departments (Ochotnicza Straż Pożarna, OSP), with the unit from Gzy being part of the National Rescue and Firefighting System. Zbigniew Kołodziejski serves as the President of the Board of the Communal Branch of the Association of Volunteer Fire Departments of the Republic of Poland (ZOSP RP) in Gzy, reflecting active citizen involvement in local organizations.
Despite its relatively small size, Gzy offers a rich social and educational infrastructure, though it faces demographic challenges. The commune represents a typical Polish rural landscape, characterized by strong agricultural traditions and close-knit local communities.