Gjennomsnittlig GPS-koordinater for postnummer 53100: 43.292, 11.354

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Notering byer:
>> Coroncina 53100, Toscana, Siena, GPS-koordinater: 43.2925,11.3535
>> Costalpino 53100, Toscana, Siena, GPS-koordinater: 43.2912,11.3027
>> Isola D'Arbia 53100, Toscana, Siena, GPS-koordinater: 43.2586,11.3787
>> Malafrasca 53100, Toscana, Siena, GPS-koordinater: 43.2925,11.3535
>> Ponte Al Bozzone 53100, Toscana, Siena, GPS-koordinater: 43.2925,11.3535
>> Sant'Andrea A Montecchio 53100, Toscana, Siena, GPS-koordinater: 43.2925,11.3535
>> Siena 53100, Toscana, Siena, GPS-koordinater: 43.32,11.3328
>> Taverne D'Arbia 53100, Toscana, Siena, GPS-koordinater: 43.3,11.4