Change Cortana's language by going to Settings, then Language & AI, and selecting your preferred language.
Change Cortana's language by going to Settings, then Language & AI, and selecting your preferred language.
It seems the problem isn't tied to a specific area. Visiting any country with a different language would likely change your device's language settings. I suspect there are options in your operating system you need to adjust.
Cortana adapts its behavior and words according to the regions you configure in Windows, reflecting local culture. You can adjust the region settings in the Settings panel, and then choose the language via Cortana’s own preferences.