Christ Church Cathedral is located in the former heart of medieval Dublin, next to Wood Quay at the end of Lord Edward Street.

It is now home to the Dublinia exhibition about medieval Dublin.

I Map Dublin's most imposing church and famed landmark, Christ Church Cathedral lies within the city's original Norse settlement and the old heart of medieval Dublin.

R Map A must for the kids, the old Synod Hall attached to Christ Church Cathedral is home to this seemingly perennial exhibit on medieval Dublin, complete with models, music, streetscapes and interactive displays.

G Map Just west of the city centre, in the heart of medieval Dublin, this is a fabulously old-fashioned bar that has been serving a great pint of Guinness to a most discerning clientele since the end of the 17th century.

A ceramic signal horn from medieval Dublin, pp.

Admission is free; open Tuesday to Saturday 10 A.M. to 6 P.M., Sunday 11 A.M. to 2 P.M. For a slightly livelier look at medieval Dublin, try Dublinia, a heritage museum at St. Michael's Hill, next to Christ Church Cathedral (679 4611).

It was in the latter case that medieval Dublin acquired a Cistercian monastery in the very unusual suburban location of Oxmantown, with its own private harbour called The Pill.

In this case it is the water of the River Poddle, a Liffey tributary, which provided the major water supply to medieval Dublin.

The Pale (An Pháil) was an area around late medieval Dublin under the control of the English government.