There are included an input unit for inputting an input sentence, and an output unit for outputting an output sentence obtained by translating the input sentence into a translation language. The translation language is set based on located language information and position information of a translation device. The located language information includes a predetermined location of each of a plurality of speakers and a used language of each of the plurality of speakers. Accordingly, the translation language, which is a translation target, may be set from a plurality of languages while reducing the operation burden on a user.