0 0 ▁people ▁declared ▁themselves ▁as ▁members ▁of ▁the ▁German ▁minor ity ▁( 5 8 , 0 0 0 ▁declared ▁it ▁joint ly ▁with ▁Polish ▁national ity ), ▁making ▁it ▁the ▁third ▁largest ▁minor ity ▁group ▁in ▁the ▁country ▁( 9 3 % ▁of ▁Germ ans ▁living ▁in ▁Poland ▁are ▁in ▁the ▁Polish ▁part ▁of ▁S iles ia ). ▁ 1 2 , 2 3 1 ▁people ▁declared ▁themselves ▁to ▁be ▁of ▁S iles ian ▁national ity ▁in ▁the ▁Czech ▁national ▁census ▁of ▁ 2 0 1 1 ▁( 4 4 , 4 4 6 ▁in ▁Czech oslov ak ia ▁in ▁ 1 9 9 1 ), ▁and ▁ 6 , 3 6 1 ▁people ▁declared ▁joint ▁S iles ian ▁and ▁Mor av ian ▁national ity ▁in ▁the ▁Slov ak ▁national ▁census . ▁ ▁During ▁the ▁German ▁occupation ▁of ▁Poland , ▁Naz i ▁authorities ▁conducted ▁a ▁census ▁in ▁East ▁Upper ▁S iles ia ▁in ▁ 1 9 4 0 . ▁At ▁the ▁time , ▁ 1 5 7 , 0 5 7 ▁people ▁declared ▁S iles ian ▁national ity ▁( S lon z aken ▁Volk ), ▁and ▁the ▁S iles ian ▁language ▁was ▁declared ▁by ▁ 2 8 8 , 4 4 5 ▁people . ▁However , ▁the ▁S iles ian ▁national ity ▁could ▁only ▁be ▁declared ▁in ▁the ▁C iesz yn ▁part ▁of ▁the ▁region . ▁Appro xim ately ▁ 4 0 0 – 5 0 0 , 0 0 0 ▁respond ents ▁from ▁the ▁other ▁areas ▁of ▁East ▁Upper ▁S iles