The Pazaryeri located in the east of the Marmara Region; It was surrounded by Söğüt to the east, İnegöl District of Bursa to the west, Bilecik center to the north and Bozüyük District to the south. Its area is 396 km2. Pazaryeri, 55% of which is covered with forests, has 24 villages and 6 neighborhoods.
Surface Shapes: The topographic structure of the district is uneven and scattered. There are small plains in the valleys of the plateau. Its surface area is 34.943 hectares, 16.049 hectares of forest area, 12.204 hectares of arable land, 2.160 hectares of meadows and pastures and 4,530 hectares of land are not suitable for agriculture.
Mountains: Kireçlik Hill 890mt in the town center, Ahı Mountain 1110 mt in the west, Esemen Ridge (Dokuzöküz Mountains) in the north, Continuation of Ahı Mountain in the south Uzunçam, Karateke, Kertalan Ridges 1000-1500 mt. It has heights ranging from. The altitude of the district is 810 meters and the land structure is low eastward. The parts of the district land (12204 ha) used as an agricultural area is a plain surrounded by mountains on three sides.
Streams: The Sorgun Stream, which passes through the northern part of the plain, the Karasu Stream passing through the east and the streams that feed them, are used as irrigation. Günyurdu Mustafa Erdemir Dam and ponds such as Küçükelmalı, Bozcaarmut, Esere, Büyükelmalı, Sarnıç have had positive effects on the irrigation of the agricultural land and the local climate.
Ponds: There are 5 natural ponds and 1 dam surrounded by pine forests. Bozcaarmut pond, Küçükelmalı pond, Büyükelmalı pond, Sarnıç pond, Esere pond and Günyurdu Mustafa Eldemir Dam have the opportunity to be alone with nature, and the people have had a modern irrigation system. Also. When the Dereköy Dam, which is under construction, is completed, irrigation will be carried out on an area of 10,150 decares.
Vegetation: Most of it is covered with forests and the rest consists of fertile land. only the cultivation of hops plants grown in the county maintained in the remaining fertile land in Turkey, the Ottoman Beads beans, fruit growing, albeit less wheat and barley are planted. Greenhouse cultivation has developed in recent years.
Climate: Although the district is located in the Marmara Region, its climate is harsh and terrestrial. It constitutes the transition region where the Aegean and Western Black Sea and Central Anatolian regions have their effects from time to time.