| Country | Certified sites |
|---|---|
| Argentina | 6 |
| Armenia | 2 |
| Aruba | 1 |
| Australia | 9 |
| Austria | 25 |
| Azerbaijan | 6 |
| Bahrain | 4 |
| Belgium | 404 |
| Bermuda | 1 |
| Bonaire, Sint Eustatius and Saba | 1 |
| Brazil | 56 |
| Bulgaria | 9 |
| Cambodia | 3 |
| Cayman Islands | 1 |
| China | 9 |
| Colombia | 14 |
| Croatia | 31 |
| Curaçao | 2 |
| Cyprus | 20 |
| Czechia | 7 |
| Côte d'Ivoire | 3 |
| Denmark | 67 |
| Egypt | 23 |
| England | 6 |
| Estonia | 96 |
| Finland | 228 |
| France | 2369 |
| Georgia | 4 |
| Germany | 467 |
| Gibraltar | 2 |
| Greece | 591 |
| Hungary | 15 |
| Iceland | 23 |
| India | 34 |
| Indonesia | 33 |
| Ireland | 6 |
| Israel | 1 |
| Italy | 116 |
| Japan | 12 |
| Jordan | 38 |
| Kazakhstan | 6 |
| Kenya | 3 |
| Kuwait | 6 |
| Laos | 1 |
| Latvia | 11 |
| Lithuania | 4 |
| Luxembourg | 8 |
| Malaysia | 1 |
| Malta | 7 |
| Mauritius | 10 |
| Mexico | 247 |
| Montenegro | 5 |
| Morocco | 3 |
| Netherlands | 798 |
| Nigeria | 1 |
| North Macedonia | 1 |
| Norway | 66 |
| Oman | 14 |
| Pakistan | 1 |
| Panama | 1 |
| Poland | 67 |
| Portugal | 323 |
| Qatar | 23 |
| Romania | 24 |
| Rwanda | 1 |
| Saudi Arabia | 25 |
| Scotland | 42 |
| Senegal | 4 |
| Serbia | 7 |
| Seychelles | 2 |
| Singapore | 1 |
| Slovenia | 208 |
| South Africa | 3 |
| South Korea | 48 |
| Spain | 58 |
| Suriname | 3 |
| Sweden | 246 |
| Switzerland | 46 |
| Thailand | 21 |
| Trinidad and Tobago | 3 |
| Turkey | 159 |
| Ukraine | 12 |
| United Arab Emirates | 118 |
| United Kingdom | 217 |
| Uzbekistan | 1 |
| Vietnam | 9 |
| Wales | 6 |