[{"key":"1101","historicalCode":"10230","name":"Bezirk Gäu","shortName":"Gäu","canton":{"key":"11","name":"Solothurn","shortName":"SO"}},{"key":"1102","historicalCode":"10231","name":"Bezirk Thal","shortName":"Thal","canton":{"key":"11","name":"Solothurn","shortName":"SO"}},{"key":"1103","historicalCode":"10100","name":"Bezirk Bucheggberg","shortName":"Bucheggberg","canton":{"key":"11","name":"Solothurn","shortName":"SO"}},{"key":"1104","historicalCode":"10099","name":"Bezirk Dorneck","shortName":"Dorneck","canton":{"key":"11","name":"Solothurn","shortName":"SO"}},{"key":"1105","historicalCode":"10084","name":"Bezirk Gösgen","shortName":"Gösgen","canton":{"key":"11","name":"Solothurn","shortName":"SO"}},{"key":"1106","historicalCode":"10232","name":"Bezirk Wasseramt","shortName":"Wasseramt","canton":{"key":"11","name":"Solothurn","shortName":"SO"}},{"key":"1107","historicalCode":"10097","name":"Bezirk Lebern","shortName":"Lebern","canton":{"key":"11","name":"Solothurn","shortName":"SO"}},{"key":"1108","historicalCode":"10111","name":"Bezirk Olten","shortName":"Olten","canton":{"key":"11","name":"Solothurn","shortName":"SO"}},{"key":"1109","historicalCode":"10095","name":"Bezirk Solothurn","shortName":"Solothurn","canton":{"key":"11","name":"Solothurn","shortName":"SO"}},{"key":"1110","historicalCode":"10094","name":"Bezirk Thierstein","shortName":"Thierstein","canton":{"key":"11","name":"Solothurn","shortName":"SO"}}]