| No. |
Province |
Country |
Date |
| 1 |
Hyogo Prefecture |
Japan |
Sept. 28, 1990 |
| 2 |
Hawaii State |
USA |
June 30, 1992 |
| 3 |
Jeju Special Autonomous Province |
Republic of Korea |
Oct. 06, 1995 |
| 4 |
Crimea Autonomous Republic |
Ukraine |
Apr. 15, 1996 |
| 5 |
Cebu Province |
the Philippines |
June 09, 1996 |
| 6 |
Arad County |
Romania |
Sept. 27, 2000 |
| 7 |
Salzburg State |
Austria |
Oct. 24, 2000 |
| 8 |
Prince Edward Island |
Canada |
June. 20, 2001 |
| 9 |
South Sinai Province |
Egypt |
Aug. 03, 2002 |
| 10 |
Northern Finland |
Finland |
Dec. 11, 2002 |
| 11 |
Baleares Autonomous Region |
Spain |
July 29, 2004 |
| 12 |
Southern Province |
Sri Lanka |
Apr. 23, 2005 |
| 13 |
Phuket Province |
Thailand |
Sept. 25, 2005 |
| 14 |
Canary Autonomous Region |
Spain |
Nov. 11, 2005 |
| 15 |
Lubuskie Province |
Poland |
Feb. 24, 2006 |
| 16 |
East New Britain Province |
Papua New Guinea |
Sept. 28, 2006 |
| 17 |
Kampong Cham |
Cambodia |
Mar. 27, 2007 |
| 18 |
Quang Ninh |
Vietnam |
Apr. 19, 2007 |
| 19 |
Quintana Roo |
Mexico |
Sept. 30, 2008 |
| 20 |
Kyzylorda State |
Kazakhstan |
July 03, 2009 |
| 21 |
Parana |
Brazil |
Mar. 13, 2010 |
| 22 |
Gotland County |
Sweden |
Nov. 02, 2010 |
| 23 |
Autonomous Region of Sardinia |
Italy |
Oct. 13, 2011 |
| 24 |
Bali |
Indonesia |
Oct. 20, 2011 |
| 25 |
Nampula |
Mozambique |
Sept. 18, 2013 |
| 26 |
Penang State |
Malaysia |
Nov. 07, 2013 |
| 27 |
South Moravian Region |
Czech Republic |
Apr. 29, 2016 |
| 28 |
Pest County |
Hungary |
June 12, 2016 |
| 29 |
Luang Prabang |
Laos |
July 16, 2016 |
| 30 |
Wicklow County |
Ireland |
July 10, 2017 |
| 31 |
Palawan Province |
the Philippines |
July 21, 2017 |
| 32 |
Department of Rocha |
Uruguay |
Nov. 30, 2017 |
| 33 |
Southern Nations, Nationalities, and Peoples' Region (SNNPR) |
Ethiopia |
June 01, 2018 |
| 34 |
Plovdiv Region |
Bulgaria |
Oct. 19, 2018 |
| 35 |
State of Yap |
Federated States of Micronesia |
Nov. 17, 2018 |
| 36 |
Autonomous Province of Vojvodina |
Serbia |
Mar. 29, 2019 |
| 37 |
Department of Sucre |
Colombia |
Sept. 18, 2019 |
| 38 |
Preah Sihanouk |
Cambodia |
Sept. 20, 2019 |
| 39 |
Zadar County |
Croatia |
Dec. 13, 2019 |
| 40 |
Grodno Administrative Region |
Belarus |
Dec. 21, 2020 |
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