Kastanje is een straat te Best in de gemeente Best en is gelegen in de Nederlandse provincie Noord-Brabant.
| Postcode | Huisnummers |
|---|---|
| 5682 GX | 11, 13, 15, 17, 19, 21, 23, 25, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 9, 7, 5, 3, 1; |
| 5682 GZ | 38, 36, 34, 32, 30, 28, 26, 24, 22, 20, 18, 16, 14, 12, 10, 8, 6, 4, 2; |