| Subdivision Type: | Country |
| Coordinates: | 46.8789°N 21.0239°W |
| Pushpin Map: | Hungary |
| Pushpin Map Caption: | Location of Köröstarcsa in Hungary |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Official Name: | Köröstarcsa |
| Subdivision Type1: | County |
| Subdivision Name1: | Békés |
| Area Total Km2: | 62.80 |
| Population As Of: | 2015 |
| Population Total: | 2557[1] |
| Population Density Km2: | 40.7 |
| Postal Code Type: | Postal code |
| Postal Code: | 5622 |
| Area Code: | 66 |
Köröstarcsa is a village in Békés County, in the Southern Great Plain region of south-east Hungary.
It covers an area of 62.83 km2 and has a population of 2557 people (2015).[1]