Kadzidło is a rural municipality located in the Masovian Voivodeship, within the Ostrołęka County, with its administrative seat in the village of Kadzidło. Until 1931, the municipality was known as Dylewo. It covers an area of 258.94 km², of which 54% is agricultural land and 40% is forested. Between 1975 and 1998, the municipality was part of the Ostrołęka Voivodeship. According to demographic data, in 2019, Kadzidło was inhabited by 11,363 people, making it the largest municipality in the county. The area is diverse in terms of its villages, which include Karaska, Kaczyn, Golanka, and Dylewo, as well as numerous settlements without formal village status, such as Grale (a forester's lodge) and Wykrot. Kadzidło is surrounded by several other municipalities, including Baranowo, Lelis, and Łyse. Historically, Kadzidło and its surroundings are rich in rural traditions, with residents preserving local rituals and customs, which helps maintain the regional culture. The municipality offers diverse landscapes for outdoor activities, making it attractive to nature enthusiasts. An interesting fact is that Kadzidło boasts abundant forest resources and agricultural lands, which form a significant part of the local economy. Despite its rural character, Kadzidło stands out for its relatively high population and variety of settlements, giving it a unique identity.