During 2015-2016, the World Cities programme included cooperation with cities or regions from following European Union member states:
1. Cooperating with India or China (GIZ team):
- Denmark (Copenhagen)
- France (Lyon)
- Germany (Stuttgart)
- Ireland (Dublin)
- Italy (Lazio)
- Spain (Barcelona and Andalucía)
- United Kingdom (West Midlands)
2. Cooperating with Canada or Japan (ICLEI team)
- Bulgaria (Burgas)
- Estonia (Tallin)
- Germany (Hannover, Leipzig)
- Latvia (Riga)
- Portugal (Almada)
- Spain (Vitoria Gasteiz)
- Sweden (Växjö)