Kashubian is a member of the West Slavic group of Slavic languages with about 200,000 speakers and used as an everyday language by about 50,000 people. Most Kashubian speakers live in north central Poland in the region of Pomerania on the southern coast of the Baltic Sea between the Vistula and Oder rivers. There are also some Kashubian speakers in Canada.
There currently between 20 and 90 schools where children learn Kashubian. A number of books and magazines are published in Kashubian, and there are some radio and TV programs in the language.
source
wikipedia.org,
omniglot.com,
evertype.com &
ethnologue.com