 The last Polish census of 2011 showed that the Silesians are the largest ethnic or national minority in Poland, Germans being the second; both groups are located mostly in Upper Silesia.The Czech part of Silesia is inhabited by Czechs, Moravians, Silesians, and Poles.In the early 19th century the population of the Prussian part of Silesia was between 2/3 and 3/4 German-speaking, between 1/5 and 1/3 Polish-speaking, with Sorbs, Czechs, Moravians and Jews forming other smaller minorities (see Table 1. below).