I'm got since a few days an Alexa Echo, despite language settings in English, due to my amazon account, always redirected to amazon france. In the app I got Host Name : alexa.amazon.fr
I have my alexa working in French or English, even having my settings into English (US) or (UK) not having Emby as skill available.
I'm favorable to help if needed to translate the Emby Skill into French!