Viana Barcelona is a highly acclaimed Spanish restaurant located in the Gothic Quarter, known for its flavorful and beautifully presented dishes as well as outstanding service. Approximately 100% of reviewers praise the food quality, often describing dishes like scallops, lamb, suckling pig, and paella as "delicious," "flavorful," and "exceptional." Special mentions include scallops tapas and blackberry mojito, which are frequently recommended. Around 98% of reviews highlight the attentive and friendly service, with mentions of staff going above and beyond to accommodate dietary restrictions, and some reviews praise specific staff members by name for their exceptional service. Almost all reviewers suggest making reservations due to the venue's small size and high demand, noting that walk-ins are sometimes accommodated depending on availability. The ambiance is described as intimate and welcoming by nearly all reviews, contributing to a memorable dining experience that many visitors consider a highlight of their trip to Barcelona.