The village of Brestovany with a population of 2,570 lies in the northwestern part of the Danube Plain, only 10 km from the district town of Trnava, at an altitude of 140-150 m above sea level. . The eastern part of the area is a plain on the floodplain of Blava and Dudváh, the western part rises a slight slope to the eastern edge of the forested Trnavská hills with powerful loess deposits.
The village of Brestovany with a population of 2,570 lies in the northwestern part of the Danube Plain, only 10 km from the district town of Trnava, at an altitude of 140-150 m above sea level. . The eastern part of the area is a plain on the floodplain of Blava and Dudváh, the western part rises a slight slope to the eastern edge of the forested Trnavská hills with powerful loess deposits.
There are floodplain forests on the floodplain, the largest is in the Brestoviansky háj locality, a protected natural area with a rarely preserved oak-brest lowland forest. Watercourses that flow through the cadastre of the village belong to the Váh river basin. The largest of them is Dudváh, then the Blava stream, Rošlím and Krupský stream.