Location map for showing Finnish dialects on a map.
Equirectangular projection, plate carrée. Geographic limits of the map:

N: 70.5° N
S: 59° N
E: 32.5° E
W: 12° EShows country borders in black, dialect area borders in greyish and the Western-Eastern Finnish dialectal categorization border in red.
Created using a custom Python script. Source of data:

Land, sea, country borders (except for Estonia-Russia): CIA World Data Bank II (public-domain)
Finland-Sweden maritime border: roughly based on MRGID 5676 from Marineregions.org, licensed under CC BY 4.0
Estonia-Russia country border: based on data from World Bank Official Boundaries, licensed under CC BY 4.0
Dialect area borders and West-East Border: based on data from Suomen murteiden sanakirja by Kotimaisten kielten keskus, licensed under CC BY 4.0
Own work
Surjection