Periş is a commune in the far north-western corner of Ilfov county, Romania. The population of Periş, in 1992, was 7,154 persons in a total of 2,800 households (average household size of 2.6 persons).
Aside from the locality of Periş, the commune contains the following villages:
Periş' geographical co-ordinates are 44.68°N, 26.01°E. The surface area of the commune is 77.97 km². The altitude of the commune ranges from 105 to 137 m above sea level.