They chose the "happiest" places in the world. The list includes nine Polish cities

The Happy City Index ranks every year the cities of the world according to their ability to provide well-being to their citizens The post Copenhagen, the happiest city in the world first appeared on Junior Report.

Nine Polish cities have been included in the "Happy City Index" ranking, which assesses the level of happiness of city dwellers around the world. Gdynia came out on top, and in terms of our country, its northern part came out best. The ranking distinguished many cities in Western and Northern Europe.