The six constituent councils of arc21 are Antrim and Newtownabbey Borough Council, Belfast City Council, Ards and North Down Borough Council, Lisburn & Castlereagh City Council, Mid and East Antrim Borough Council and Newry, Mourne and Down District Council.
arc21's work is governed by a legally binding collaborative agreement between all of its councils.
Made up of 18 elected members (three from each of its six constituent councils) this is arc21's decision making forum. For a full list of members please click here.
arc21 has a small team of staff. For full details please click here.