Trastevere's name is a Latin direction, not a place: trans Tiberim, "beyond the Tiber." For centuries that preposition did real work. The quarter sat outside the city proper, a floodplain of boatmen, tanners, Syrian and Jewish traders, and the dock workers who unloaded amphorae of wine shipped up from Ostia. Rome drank what arrived here first. The neighbourhood became the thirteenth rione under Augustus, and it has kept a separate temperament ever since. Residents still call themselves trasteverini and speak of crossing a bridge as though crossing a border. The wine trade shaped the street plan. Vicolo del Cinque, Via della Scala and Piazza de' Renzi were lined with fraschette — informal rooms marked by a leafy branch over the door, where Castelli Romani wine was sold straight from the barrel and customers brought their own food. The modern enoteca is a direct descendant, and a wine tasting rome trastevere itinerary still threads the same lanes. What holds the quarter together architecturally is medieval accident. Santa Maria in Trastevere, founded in the fourth century and rebuilt in the twelfth, carries golden apse mosaics by Pietro Cavallini and twenty-two columns scavenged from Roman ruins. Santa Cecilia conceals a Roman house and a dyer's workshop beneath its floor. Above them rise ochre and rust façades, exterior staircases, laundry lines, and ivy that has outlived several popes. Because the rione escaped the broad nineteenth-century demolitions that reshaped much of central Rome, the grid remains too narrow for traffic — which is precisely why it rewards walking. The cellars matter as much as the churches. Lazio is a region of white volcanic soils, and its glasses lean to Malvasia Puntinata, Trebbiano and the revived Bellone; reds arrive from Cesanese del Piglio to the southeast. Alongside them sit Umbrian Sagrantino, Tuscan Sangiovese and Sicilian Nero d'Avola, pulled by cork-counter owners who buy from growers directly. Pecorino Romano, guanciale, suppli and puntarelle are the counterweights. Rome's drinking culture has a verb of its own — the aperitivo, the early-evening glass taken standing up, conversation included. Trastevere today is simultaneously residential and visited, a working parish with a nightlife. The district itself is public ground: entry costs 0 EUR, with gates and bollards open 00:00–23:59, every day. Tasting is the part that is organised, which is why a wine tasting rome trastevere tour exists as a guided format rather than a ticketed building.