They are spoken in parts of Czech Silesia, the Hlučín Region, and northeastern Moravia,[1] as well as in some adjacent villages in Poland.
[3] Lachian is divided into numerous subdialects (Western, Eastern and Southern), it can therefore also be regarded as a dialect continuum, with limited mutual intelligibility between the eastern and western dialects.
[citation needed] Most Lachs, especially younger speakers, now speak standard Czech, and use it as a written language, while Lach remains the language of everyday speech.
[citation needed] The poet Óndra Łysohorsky is probably the best-known writer in a Lachian dialect.
In doing so, he contributed significantly to the development of the Lach literary language.