An ethnic map of Bács-Bodrog county according to the data of the 1910 census. Key: red - Hungarians; pink - Germans; light green - Slovaks; light blue - Croatians (with the Šokci and Bunjevci); dark blue - Serbs; violet - Ruthenians; black - Roma. Coloured dots in a plain rectangle imply the presence of smaller minority populations (generally more than 100 people or 10%). Multicoloured rectangles imply cities and villages with multi-ethnic populations with the order of the stripes following the ethnic composition of the settlement.