| Jarok | |
| Other Name: | Íreg |
| Settlement Type: | Municipality |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Type2: | District |
| Subdivision Name2: | Nitra District |
| Pushpin Map: | Slovakia Nitra Region#Slovakia |
| Pushpin Relief: | 1 |
| Pushpin Map Caption: | Location of Jarok in the Nitra Region##Location of Jarok in Slovakia |
| Coordinates: | 48.28°N 17.95°W |
| Established Title: | First mentioned |
| Established Date: | 1113 |
| Area Footnotes: | [1] |
| Area Total Km2: | 22.11 |
| Elevation Footnotes: | [2] |
| Elevation M: | 151 |
| Population Footnotes: | [3] |
| Population Total: | 2138 |
| Timezone1: | CET |
| Utc Offset1: | +1 |
| Timezone1 Dst: | CEST |
| Utc Offset1 Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 951 48 |
| Area Code: | +421 37 |
| Blank Name: | Car plate |
| Blank Info: | NR |
Jarok (locally known as Íreg;) is a village and municipality in the Nitra District in western central Slovakia, in the Nitra Region.[4] The Veľké Kostoľany transmitter, Slovakia's most powerful broadcasting facility, is situated in the village.
In historical records the village was first mentioned in 1113.
The village lies at an altitude of 160 metres and covers an area of 22.113 km2. It has a population of about 1770 people.
The village is approximately 99% Slovak.
The village has a public library, a gym and football pitch.
At Jarok, there is a high power mediumwave broadcasting station. It works on 1098 kHz and uses as antenna tower a 133 metres tall guyed mast. Construction work on facility started in 1984. Inauguration was in 1988.
The records for genealogical research are available at the state archive "Statny Archiv in Nitra, Slovakia"