San Luis Potosí Capital, México
28 - 30 October 2026
22 October 2026
XXIII Congreso Internacional de ICLEI 2026 / XXIII ICLEI International Congress 2026
ICLEI – Local Governments for Sustainability is a global network working with more than 2,500 local and regional governments committed to sustainable urban development.
Navigation
ICLEI World Secretariat
Kaiser-Friedrich-Str. 753113 Bonn
Germany
- Tel: +49-228 / 97 62 99-00
- iclei.ws(at)iclei.org (General inquiries)
ICLEI – Local Governments for Sustainability is a global network working with more than 2,500 local and regional governments committed to sustainable urban development.
ICLEI Regional Secretariats and country offices
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Africa Secretariat Physical address:
Unit 1, 2nd Floor,
South Tower
Sable Park, 14 Bridge
Boulevard
Century City
Cape Town
South Africa africa.iclei.orgICLEI Africa Foundation Ebène Junction, Quatre Bornes, Mauritius -
East Asia Secretariat 14/F, Seoul Global Center Building, 38 Jongno, Jongno-gu, Seoul, South Korea (110-110) eastasia.iclei.orgKaohsiung Capacity Center Xiaogang District, Kaohsiung City, Taiwan icleikcc.orgKorea Office 217-59 Kintex-ro, Ilsanseo-gu, Goyang-si, Gyeonggi-do 10390, Republic of Korea www.icleikorea.orgBeijing Office 38 Haidian Street, Zhongguancun, Haidian District, Beijing, China
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European Secretariat Leopoldring 3
79098 Freiburg, Germany iclei-europe.orgBrussels Office Rue du Luxembourg 19-21, 1000 Bruxelles, BelgiumBerlin Office St. Oberholz ROS Team Room 4.02
Rosenthaler Str. 72a
10119 Berlin
Germany -
Mexico, Central American and Caribbean Secretariat Eje Central Lazaro Cardenas 13
Building Miguel Abed, Floor 5 Of. 506 and 507,
Col. Centro, CP 06050 Del.
Cuauhtemoc, Mexico City, Mexico www.iclei.org.mx -
British Columbia Office Victoria City Hall
1 Centennial Square
Victoria,
BC V8W 1P6 www.icleicanada.org -
Oceania Secretariat l8/225 Bourke St, Melbourne VIC 3000, Australia www.icleioceania.orgPacific Islands Office 8 Mitchell Street, Suva, Fiji
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South American Secretariat Rua Marquês de Itu 70, 14° andar.
São Paulo, SP, Brasil
CEP 01223-000 americadosul.iclei.orgColombia Office Carrera 53 N° 40A - 31,
Medellín, Antioquia – Colombia americadosul.iclei.orgArgentina Office Boulevard Gálvez, 1150 Planta Alta.
Rosário, Santa Fé, Argentina -
South Asia Secretariat c, 3, Green Park Extension Road, Block B, Green Park Extension, Green Park, New Delhi, Delhi, India southasia.iclei.org
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Southeast Asia Secretariat c/o The Manila Observatory Ateneo de Manila University Campus Loyola Heights, Quezon City 1101 Manila, Philippines icleiseas.orgICLEI Indonesia Project Office Jl. Karbela Sel. No.46, RT.2/RW.4, Kuningan, Karet, South Jakarta City, Jakarta 12940, Indonesia
ICLEI World Secretariat
Europe
European Secretariat Leopoldring 3
79098 Freiburg, Germany iclei-europe.org
79098 Freiburg, Germany iclei-europe.org
Brussels Office Rue du Luxembourg 19-21, 1000 Bruxelles, Belgium
Berlin Office St. Oberholz ROS Team Room 4.02
Rosenthaler Str. 72a
10119 Berlin
Germany
Rosenthaler Str. 72a
10119 Berlin
Germany
Africa
Physical address:
Unit 1, 2nd Floor,
South Tower
Sable Park, 14 Bridge
Boulevard
Century City
Cape Town
South Africa Tyger Valley, South Africa
africa.iclei.org
Unit 1, 2nd Floor,
South Tower
Sable Park, 14 Bridge
Boulevard
Century City
Cape Town
South Africa Tyger Valley, South Africa
ICLEI Africa Foundation Ebène Junction, Quatre Bornes, Mauritius
North America
British Columbia Office Victoria City Hall
1 Centennial Square
Victoria,
BC V8W 1P6 www.icleicanada.org
1 Centennial Square
Victoria,
BC V8W 1P6 www.icleicanada.org
Central America & the Caribbean
Mexico, Central American and Caribbean Secretariat Eje Central Lazaro Cardenas 13
Building Miguel Abed, Floor 5 Of. 506 and 507,
Col. Centro, CP 06050 Del.
Cuauhtemoc, Mexico City, Mexico www.iclei.org.mx
Building Miguel Abed, Floor 5 Of. 506 and 507,
Col. Centro, CP 06050 Del.
Cuauhtemoc, Mexico City, Mexico www.iclei.org.mx
South America
South American Secretariat Rua Marquês de Itu 70, 14° andar.
São Paulo, SP, Brasil
CEP 01223-000 americadosul.iclei.org
São Paulo, SP, Brasil
CEP 01223-000 americadosul.iclei.org
Colombia Office Carrera 53 N° 40A - 31,
Medellín, Antioquia – Colombia americadosul.iclei.org
Medellín, Antioquia – Colombia americadosul.iclei.org
Argentina Office Boulevard Gálvez, 1150 Planta Alta.
Rosário, Santa Fé, Argentina
Rosário, Santa Fé, Argentina
South Asia
South Asia Secretariat c, 3, Green Park Extension Road, Block B, Green Park Extension, Green Park, New Delhi, Delhi, India
southasia.iclei.org
Southern Center Door No. 6-3-596/47/2
Sri Venkata Ramana Colony
Hyderabad 500 004
Andhra Pradesh
Sri Venkata Ramana Colony
Hyderabad 500 004
Andhra Pradesh
East Asia
East Asia Secretariat 14/F, Seoul Global Center Building, 38 Jongno, Jongno-gu, Seoul, South Korea (110-110)
eastasia.iclei.org
Kaohsiung Capacity Center Xiaogang District, Kaohsiung City, Taiwan
icleikcc.org
Korea Office 217-59 Kintex-ro, Ilsanseo-gu, Goyang-si, Gyeonggi-do 10390, Republic of Korea
www.icleikorea.org
Beijing Office 38 Haidian Street, Zhongguancun, Haidian District, Beijing, China
Southeast Asia
Southeast Asia Secretariat c/o The Manila Observatory Ateneo de Manila University Campus Loyola Heights, Quezon City 1101 Manila, Philippines
icleiseas.org
ICLEI Indonesia Project Office Jl. Karbela Sel. No.46, RT.2/RW.4, Kuningan, Karet, South Jakarta City, Jakarta 12940, Indonesia
Oceania
Oceania Secretariat l8/225 Bourke St, Melbourne VIC 3000, Australia
www.icleioceania.org