| Opactwo | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Masovian |
| Subdivision Type2: | Powiat |
| Subdivision Name2: | Kozienice |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Sieciechów |
| Subdivision Type4: | Sołectwo |
| Subdivision Name4: | Opactwo |
| Leader Title: | Wójt |
| Leader Name: | Kazimierz Pochylski |
| Leader Title1: | Sołtys |
| Leader Name1: | Łucja Czerska |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Coordinates: | 51.5347°N 21.77°W |
| Pushpin Map: | Poland |
| Pushpin Label Position: | bottom |
| Area Code Type: | Phone area code(s) (within Poland) |
| Area Code: | 48 xxx xx xx |
| Postal Code Type: | Postal code |
| Postal Code: | 26-922 Sieciechów |
| Blank Name Sec1: | Car plate(s) |
| Blank Info Sec1: | WKZ |
Opactwo (Abbey) is a village in the administrative district of Gmina Sieciechów, within Kozienice County, Masovian Voivodeship, in east-central Poland.[1]
It lies on the national road, approximately 2km (01miles) north-east of Sieciechów, 150NaN0 east of Kozienice, and 910NaN0 south-east of Warsaw.
The name of the village comes from the name of the Benedictine Abbey.
Monastery located in Opactwo, was founded by the Benedictine, brought by Sieciech from Provence. At first, it has been in the medieval city Sieciechów, but after the change of the Vistula river path, moved to a location where he stands to this day. The original location is not known. Abbey had one of the largest libraries in the country.