Shopping hours: 9 a.m. to 6 or 7 p.m., till 9 p.m. on Thursday; Sundays noon to 6 p.m.
Information: Historical walking tours, www.historicalinsights.ie; Dublin tourism, 353 1 605 7754; e-mail: firstname.lastname@example.org; Web information: www.visitdublin.co.
Tourism office: Suffolk Street across from Trinity College.
Toilets: There are public toilets, but most people prefer private ones in hotels or pubs.
Electricity: 220 volts.
Weather: Count on rain part of the day, mild in summer and fall.
Taxis: Taxi stands or "ranks" dot the city, or you can book by phone. Fare from the airport -- 8 miles from City Center -- is about $20.
City tours: Hop-on-hop-off allows you to tour the city, stopping at various sites and re-boarding later. Cost is $8. There's also a 2 1/2 -hour city tour with only one stop for $8.
Money: The Irish pound (or punt) is valued at about $1.34.