| Country | Certified sites |
|---|---|
| Argentina | 6 |
| Armenia | 2 |
| Australia | 1 |
| Austria | 5 |
| Azerbaijan | 2 |
| Bahrain | 2 |
| Belgium | 105 |
| Bonaire, Sint Eustatius and Saba | 1 |
| Brazil | 60 |
| Bulgaria | 3 |
| Cambodia | 1 |
| China | 7 |
| Colombia | 8 |
| Croatia | 22 |
| Curaçao | 1 |
| Cyprus | 18 |
| Czechia | 3 |
| Côte d'Ivoire | 2 |
| Denmark | 201 |
| Egypt | 18 |
| England | 10 |
| Estonia | 33 |
| Faroe Islands | 1 |
| Finland | 59 |
| France | 892 |
| Georgia | 2 |
| Germany | 41 |
| Gibraltar | 1 |
| Greece | 523 |
| Hungary | 4 |
| Iceland | 16 |
| India | 15 |
| Indonesia | 14 |
| Ireland | 2 |
| Italy | 25 |
| Japan | 20 |
| Jordan | 26 |
| Kazakhstan | 2 |
| Kenya | 1 |
| Kuwait | 7 |
| Laos | 1 |
| Latvia | 3 |
| Madagascar | 1 |
| Malaysia | 2 |
| Malta | 9 |
| Mauritius | 7 |
| Mexico | 64 |
| Montenegro | 3 |
| Morocco | 2 |
| Netherlands | 182 |
| North Macedonia | 1 |
| Norway | 12 |
| Oman | 5 |
| Panama | 1 |
| Poland | 11 |
| Portugal | 144 |
| Qatar | 12 |
| Romania | 4 |
| Saudi Arabia | 18 |
| Scotland | 16 |
| Senegal | 1 |
| Serbia | 2 |
| Slovenia | 113 |
| South Africa | 3 |
| South Korea | 50 |
| Spain | 22 |
| Suriname | 2 |
| Sweden | 69 |
| Switzerland | 8 |
| Thailand | 8 |
| Trinidad and Tobago | 2 |
| Turkey | 158 |
| Ukraine | 12 |
| United Arab Emirates | 81 |
| United Kingdom | 190 |
| Vietnam | 4 |
| Wales | 1 |