▁non - binding ▁advis ory ▁refer endum ▁on ▁joining ▁NAT O . ▁Both ▁propos als ▁were ▁approved ▁with ▁over ▁ 7 5 % ▁in ▁favour . ▁Parliament ary ▁elections ▁were ▁subsequently ▁held ▁on ▁ 2 1 ▁May . ▁ ▁Results ▁ ▁Br ing ing ▁forward ▁parliament ary ▁elections ▁ ▁NAT O ▁membership ▁ ▁See ▁also ▁Georgia – N AT O ▁relations ▁ ▁References ▁ ▁Legisl ative ▁election ▁date ▁refer endum ▁Category : 2 0 0 8 ▁refer end ums ▁Category : Re fer end ums ▁in ▁Georgia ▁( country ) ▁Category : N AT O ▁membership ▁refer end ums <0x0A> </s> ▁Pa ço ▁de ▁Ar cos ▁() ▁is ▁a ▁local ity ▁of ▁O e iras . ▁In ▁ 2 0 1 3 , ▁the ▁parish ▁of ▁Pa ço ▁de ▁Ar cos ▁merged ▁into ▁the ▁new ▁parish ▁O e iras ▁e ▁São ▁Juli ão ▁da ▁Bar ra , ▁Pa ço ▁de ▁Ar cos ▁e ▁C ax ias . ▁The ▁population ▁in ▁ 2 0 1 1 ▁was ▁ 1 5 , 3 1 5 , ▁in ▁an ▁area ▁of ▁ 3 . 3 9   km ². ▁It ▁was ▁elev ated ▁to ▁town ▁by ▁a ▁dec ree ▁on ▁December ▁ 7 , ▁ 1 9 2 6 . ▁ ▁Its ▁name ▁comes ▁from ▁the ▁Pal á cio ▁dos ▁Ar cos ▁located ▁at ▁the ▁entrance ▁to ▁the ▁village , ▁where ▁king ▁D . ▁Manuel ▁I ▁of ▁Portugal ▁watched ▁Vas co ▁da ▁G ama ' s ▁car av els ▁leave ▁for ▁India . ▁Now ad ays