List of localities
| Title | Protection category | Region | Locality code | Area [ha] - Total |
|---|---|---|---|---|
| Babiččino údolí | National nature monument | Hradec Králové Region | 2404 | 338.72 |
| Barborka | Nature monument | Zlín Region | 1693 | 7.10 |
| Adršpašsko-teplické skály | National nature reserve | Hradec Králové Region | 2401 | 1712.01 |
| Amáliino údolí | Nature reserve | South Bohemian Region | 1687 | 39.69 |
| Annenské údolí | není CHÚ | Hradec Králové Region | 60007 | 11.20 |
| Bartošovický luh | National nature reserve | Moravian-Silesian Region | 2237 | 290.92 |
| Bayerova | Nature reserve | South Moravian Region | 612 | 17.13 |
| Bělč | No protected area | Plzeň Region | 60006 | 90.33 |
| Bělč | Nature reserve | Plzeň Region | 2411 | 12.52 |
| Bělyšov | No protected area | Plzeň Region | 60004 | 117.95 |
| Beškovský les | No protected area | Liberec Region | 50030 | 6.76 |
| Bílá strž | National nature reserve | Plzeň Region | 554 | 120.61 |
| Bílá voda | Nature reserve | South Moravian Region | 1186 | 30.01 |
| Bošínská obora | Nature reserve | Pardubice Region | 1754 | 35.63 |
| Boubínský prales | National nature reserve | South Bohemian Region | 2424 | 685.87 |
| Božídarské rašeliniště | National nature reserve | Karlovy Vary Region | 2426 | 1153.67 |
| Bradlec | Nature reserve | Olomouc Region | 1651 | 12.64 |
| Brdatka | Nature reserve | Central Bohemian Region | 846 | 34.18 |
| Broumovské stěny | National nature reserve | Hradec Králové Region | 2430 | 557.39 |
| Břehyně-Pecopala | National nature reserve | Liberec Region | 2431 | 973.76 |
| Břenčák | Nature reserve | South Moravian Region | 1130 | 37.65 |
| Březina | Nature reserve | Ústí nad Labem Region | 2432 | 11.97 |
| Březinka | Nature reserve | South Moravian Region | 585 | 6.44 |
| Břidličná (Janovice) | Nature reserve | Moravian-Silesian Region | 3408 | 649.22 |
| Břidličná (Loučná) | Nature reserve | Moravian-Silesian Region | 3408 | 649.22 |