| Dzyarechyn | |
| Settlement Type: | Agrotown |
| Pushpin Map: | Belarus |
| Coordinates: | 53.2469°N 24.9197°W |
| Subdivision Type: | Country |
| Subdivision Name: | Belarus |
| Subdivision Type1: | Region |
| Subdivision Name1: | Grodno Region |
| Subdivision Type2: | District |
| Subdivision Name2: | Zelva District |
| Area Total Km2: | 2.33 |
| Population Total: | 495 |
| Population Density Km2: | auto |
| Timezone: | MSK |
| Utc Offset: | +3 |
| Postal Code: | 231952 |
| Area Code: | +375-1564 |
Dzyarechyn (Belarusian: Дзярэчын|Dziarečyn; Russian: Деречин|Derechin; Polish: Dereczyn) is an agrotown in Zelva District, Grodno Region, Belarus. It serves as the administrative center of Dzyarechyn rural council (selsoviet).[1]
Dereczyn was a private town, owned by the Kopoczewicz, Połubiński and Sapieha families,[2] administratively located in the Słonim County in the Nowogródek Voivodeship of the Polish–Lithuanian Commonwealth. In 1629, Konstanty Połubiński with his wife Zofia founded a Dominican monastery, whereas the Sapiehas built a palace in 1786.[2]
Prior to World War II, it was part of Nowogródek Voivodeship in Poland. In the 1921 census, 60.0% people declared Polish nationality, 33.9% people declared Jewish nationality, and 6.2% declared Belarusian nationality.[3]