Gjennomsnittlig GPS-koordinater for postnummer 53037: 43.448, 10.977

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Notering byer:
>> Badia A Elmi 53037, Toscana, Siena, GPS-koordinater: 43.4476,10.9769
>> San Gimignano 53037, Toscana, Siena, GPS-koordinater: 43.4692,11.0427
>> Ulignano 53037, Toscana, Siena, GPS-koordinater: 43.426,10.9111