The arrondissement of Tours is an arrondissement of France in the Indre-et-Loire department in the Centre-Val de Loire region. Since the January 2017 reorganization of the arrondissements of Indre-et-Loire, it has 54 communes.
Wikipedia https://en.wikipedia.org/wiki/Arrondissement_of_Tours
Coordinates 47°23'24.171" N 0°41'20.136" E