▁of ▁South ▁America ▁Category : Fl ora ▁of ▁Boliv ia ▁Category : Fl ora ▁of ▁Florida ▁Category : Fl ora ▁of ▁Puerto ▁Rico ▁Category : Le ast ▁concern ▁fl ora ▁of ▁the ▁United ▁States ▁Category : Le ast ▁concern ▁bi ota ▁of ▁North ▁America <0x0A> </s> ▁__ NOT OC __ ▁Sied l ce ▁County ▁() ▁is ▁a ▁unit ▁of ▁territorial ▁administration ▁and ▁local ▁government ▁( pow iat ) ▁in ▁Mas ov ian ▁Vo iv odes hip , ▁east - central ▁Poland . ▁It ▁came ▁into ▁being ▁on ▁January ▁ 1 , ▁ 1 9 9 9 , ▁as ▁a ▁result ▁of ▁the ▁Polish ▁local ▁government ▁re forms ▁passed ▁in ▁ 1 9 9 8 . ▁Its ▁administrative ▁seat ▁is ▁the ▁city ▁of ▁Sied l ce , ▁although ▁the ▁city ▁is ▁not ▁part ▁of ▁the ▁county ▁( it ▁constit utes ▁a ▁separate ▁city ▁county ). ▁The ▁only ▁town ▁in ▁Sied l ce ▁County ▁is ▁M ord y , ▁which ▁lies ▁ ▁east ▁of ▁Sied l ce . ▁ ▁The ▁county ▁covers ▁an ▁area ▁of ▁. ▁As ▁of ▁ 2 0 0 6 ▁its ▁total ▁population ▁is ▁ 8 0 , 5 6 0 , ▁out ▁of ▁which ▁the ▁population ▁of ▁M ord y ▁is ▁ 1 , 8 4 0 ▁and ▁the ▁rural ▁population ▁is ▁ 7 8 , 7 2 0 . ▁ ▁Ne igh bour ing ▁count ies ▁A part ▁from ▁the ▁city ▁of ▁Sied l ce , ▁Sied l ce ▁County ▁is ▁also ▁border ed ▁by ▁W ę gr ów ▁County