Marine protected areas are areas of intertidal or subtidal terrain--and overlying water and associated flora and fauna and historical and cultural features--that have been reserved by law or other effective means to protect part or all of the enclosed environment.
| 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Romania | 8.0 | 8.4 | 8.4 | 8.5 | 23.1 | 23.1 | 23.1 | 23.1 | 23.1 | 23.1 | 23.1 | 22.1 |
| Ukraine | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 9.2 | 9.2 | 9.2 | 21.6 |
| Bulgaria | 2.9 | 2.9 | 8.1 | 8.1 | 8.1 | 8.1 | 8.1 | 8.1 | 8.1 | 8.1 | 8.1 | 8.2 |
| Greece | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.7 |
| Albania | 1.4 | 1.0 | 1.0 | 2.7 | 2.7 | 2.7 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 3.4 |
| Russian Federation | 3.1 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 2.2 | 2.2 | 2.2 | 2.2 | 2.2 |
| Turkiye | 1.2 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 1.8 | 1.8 | 1.8 | 1.7 |
| Azerbaijan | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 1.0 |
| Georgia | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.8 |