Polish belongs to the family of West Slavic languages (with Czech and Slovakian). The most spoken foreign languages are German and English, but it is useful to know a few words of Polish to travel around the country, especially outside large urban areas.
Business language
According to the type of company you contact, the geographical location and the sector of activity, it may be difficult to find someone who speaks English. Insufficient knowledge of English and German often makes it necessary to bring in an interpreter. However, the younger generations speak English more and more frequently.