If you’ve come to Buenos Aires eager to experience the city after dark you will not leave disappointed. Porteños are consummate night owls and though nightlife peaks from Thursday to Saturday, you’ll find plenty of things to do during the rest of the week too. Worthwhile venues are spread all over the city, but certain areas offer an especially large selection of night-time diversions. The city’s young and affluent head to Palermo’s Soho and Hollywood to strut their stuff year-round, and the Costanera Norte as well in the summer. El Bajo, as the streets around Reconquista and 25 de Mayo are known, offers a walkable circuit of bars and restaurants as well as the odd Irish pub, while San Telmo harbours some eclectic and charismatic bars in among the tango spectacles. Though some bars open all day, most don’t really get going until around midnight. Increasingly, the smoother bars run so-called after offices on weekdays to fill the early evening slot, but these are almost invariably rather sleazy. Websites with worthwhile listings include wadondevamos.com and wwipe.com.ar; for dance clubs, the best listings website is wbuenosaliens.com.