suomalaiskielisissä
suomalaiskielisissä is a Finnish adjective meaning "in Finnish languages" or "Finnish-speaking". It is the plural form of the partitive case of the adjective suomalaiskielinen. The word refers to people who speak Finnish or to things that are related to the Finnish language. For example, one might say "suomalaiskielisissä maissa" which translates to "in Finnish-speaking countries."
The Finnish language is a Finnic language spoken by approximately 5.5 million people, primarily in Finland
The term suomalaiskielisissä can also be used to describe educational institutions or media that operate in