German and japanese to english is useful for traveling both in Germany itself and in Austria, Switzerland and some regions of other Central European countries: Italy, Belgium, Luxembourg. However, unlike Spanish or Chinese, it cannot be said to “open doors” for the traveller. All German-speaking countries are distinguished by a high level of education of the population. Therefore, English is more than enough to travel around this part of the world far and wide.
And yet, it’s worth learning the basic phrases – “tourist minimum”. Not only will it be easier for you to navigate the city by signs and maps, but the locals will also treat you very kindly. Germans always support foreigners who try to learn their difficult language.