The Royal National City Park is a national urban park, established by the Swedish Parliament in 1995, and located in the municipalities of Stockholm, Solna and Lidingö in Sweden. 1/ km²2/ Population per km²
Wikipedia https://en.wikipedia.org/wiki/Royal_National_City_Park
Official website http://www.ekoparken.org/
Email info@ekoparken.org
Phone +46 08-157 611
Address 115 42 Stockholm, Sweden
Coordinates 59°21'54.175" N 18°4'16.627" E