1. Dublin City Hall is a grand, neoclassical structure built in 1769, situated at the heart of the city overlooking the River Liffey. It was originally designed to house the Royal Exchange and was later converted for use as City Hall. The building features a spectacular central dome and a grand staircase leading to the main hall. The interior is adorned with marble columns, intricate plasterwork, and beautiful stained glass windows. The building serves as a venue for exhibitions, concerts, and civic events, and also houses the Dublin City Council Chamber.

2. Dublin City Hall is open from Monday to Saturday, 10 am to 5 pm. The contact number for City Hall is +353 1 222 2204.

3. Admission to City Hall is free. There are guided tours available, which are also free of charge, but must be booked in advance. The nearest public transportation is the Dublin Bus, with several lines stopping near City Hall. The closest DART station is the Pearse Street station, a 10-minute walk away. Parking is available nearby at the Q-Park Setanta Car Park.