The constituencies which will apply at the forthcoming general election are specified in the Electoral (Amendment) (Dáil Constituencies) Act, 2013. I am not aware of any disputes, or differences of legal opinion, in relation to the definition of the constituencies of Wicklow and Dún Laoghaire specified in that Act.
The Wicklow constituency is specified as consisting of the county of Wicklow; and, in the county of Carlow, the electoral divisions of Clonmore, Hacketstown, Haroldstown, Kineagh, Rahill, Rathvilly, Tiknock and Williamstown, in the former Rural District of Baltinglass No. 2.
The Dún Laoghaire constituency is specified as consisting of, in the county of Dún Laoghaire-Rathdown, the electoral divisions of Ballybrack, Blackrock-Booterstown, Blackrock-Carysfort, Blackrock-Central, Blackrock-Glenomena, Blackrock-Monkstown, Blackrock-Newpark, Blackrock-Seapoint, Blackrock-Stradbrook, Blackrock-Templehill, Blackrock-Williamstown, Cabinteely-Granitefield, Cabinteely-Kilbogget, Cabinteely-Loughlinstown, Cabinteely-Pottery, Dalkey-Avondale, Dalkey-Bullock, Dalkey-Coliemore, Dalkey Hill, Dalkey Upper, Dún Laoghaire-East Central, Dún Laoghaire-Glasthule, Dún Laoghaire-Glenageary, Dún Laoghaire-Monkstown Farm, Dún Laoghaire-Mount Town, Dún Laoghaire-Sallynoggin East, Dún Laoghaire-Sallynoggin South, Dún Laoghaire-Sallynoggin West, Dún Laoghaire-Salthill, Dún Laoghaire-Sandycove, Dún Laoghaire-West Central, Foxrock-Beechpark, Foxrock-Carrickmines, Foxrock-Deansgrange, Foxrock-Torquay, Killiney North, Killiney South, Shankill-Rathmichael, Shankill-Rathsallagh, Shankill-Shanganagh, Stillorgan-Leopardstown and Stillorgan-Priory.