Castello Tesino is a comune in Trentino in the northern Italian region Trentino-Alto Adige/Südtirol, located about 40 kilometres east of Trento.
Castello Tesino borders the following municipalities: Canal San Bovo, Pieve Tesino, Scurelle, Cinte Tesino, Lamon, Grigno, and Arsiè.
Wikipedia https://en.wikipedia.org/wiki/Castello_Tesino
Coordinates 46°3'51.031" N 11°37'55.815" E