St. Hyacinth's Church, Warsaw
| St. Hyacinth's Church Kościół św. Jacka (in Polish) | |
|---|---|
| Location | Warsaw |
| Country | Poland |
| Denomination | Catholic |
| Architecture | |
| Architect(s) | Giovanni Battista Trevano for the Dominican Order |
| Style | Baroque (largely) |
| Groundbreaking | 1603 |
| Completed | 1639 |
| Demolished | 1944 |
| Administration | |
| Archdiocese | Warsaw |
| Designated | 1994-09-08 |
| Part of | Warsaw – historic city center with the Royal Route and Wilanów |
| Reference no. | M.P. 1994 nr 50 poz. 423 |
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St. Hyacinth's Church (Polish: Kościół św. Jacka), named after Saint Hyacinth of Poland, is a Baroque Catholic church building located in Warsaw's New Town at Freta Street 8/10.