Ulster Bank (Irish: "Banc Uladh") is a large retail bank, and one of the traditional Big Four Irish clearing banks. The Ulster Bank Group is subdivided into two separate legal entities, Ulster Bank Limited (UBL – registered in Northern Ireland) and Ulster Bank Ireland DAC (UBIDAC – registered in the Republic of Ireland). The Group's headquarters (and UBIDAC's) is located on George's Quay, Dublin, in the Republic of Ireland whilst the official headquarters of UBL is in Donegall Square East, Belfast, in Northern Ireland and it maintains a large sector of the financial services in both the UK and the Republic of Ireland.