ir ense ▁and ▁U D ▁O live ir ense ▁comp ete ▁in ▁the ▁Segunda ▁Liga . ▁ ▁Below ▁the ▁Campeonato ▁Nacional ▁de ▁Senior es ▁the ▁compet itions ▁are ▁organ ised ▁at ▁a ▁district ▁level ▁( known ▁in ▁Portuguese ▁as ▁Dist rit ais ) ▁with ▁each ▁District ▁Association ▁organ ising ▁its ▁compet itions ▁according ▁to ▁ge ographical ▁and ▁other ▁factors . ▁▁ ▁The ▁AF ▁A ve iro ▁runs ▁several ▁league ▁compet itions ▁with ▁the ▁Division ▁One ▁( 1 ª ▁Div is ão ) ▁being ▁at ▁the ▁fourth ▁level ▁of ▁the ▁league ▁system . ▁ ▁In ▁more ▁general ▁terms ▁the ▁AF ▁A ve iro ▁currently ▁organ ises ▁District ▁Championships ▁for ▁football ▁and ▁F uts al ▁for ▁men ▁and ▁women ▁for ▁all ▁age ▁groups ▁including ▁Senior , ▁Junior , ▁Youth , ▁Begin ners , ▁Inf ants ▁and ▁School s . ▁ ▁AF ▁A ve iro ▁clubs ▁compet ing ▁in ▁national ▁level ▁- ▁ 2 0 1 5 / 1 6 ▁Season ▁ ▁Prime ira ▁Liga / L iga ▁N OS ▁( t ier ▁ 1 ) ▁ ▁FC ▁Ar ou ca ▁ ▁Segunda ▁Liga ▁( t ier ▁ 2 ) ▁ ▁U D ▁O live ir ense ▁ ▁CD ▁Fe ir ense ▁ ▁C N ▁Senior es ▁( t ier ▁ 3 ) ▁ ▁AD ▁San jo an ense ▁ ▁An ad ia ▁FC ▁ ▁FC ▁Ces ar ense ▁ ▁CD ▁Est ar re ja ▁ ▁G D ▁G af anha ▁ ▁L us it â nia ▁Lou ros a ▁ ▁SC ▁B ust elo ▁