1. San Miguel de Allende, Mexiko.
2. Perth, Australia
3. Göteborg, Sweden
4. Evora, Portugal
5. Chiang Rai, Thailand
6. Auckland, New Zeeland
7. Siem Reap, Kambodja
8. Oporto, Portugal
9. Beirut, Libanon
10. Dublin, Ireland
11. Malmö, Sweden
12. Halifax, Kanada
13. Wellington, New Zeeland
14. Luang Prabang, Laos
15. Hobart, Australia
reference:
https://www.cntraveler.com/galleries/2015-08-14/the-2015-friendliest-and-unfriendliest-cities-in-the-world