Clustering of residents of similar social status, ethnic or religious identity, or geographical origin into distinct areas of a city is a “common, but by no means universal, attribute of urban neighborhoods”. Different cities within a single culture and era exhibit diversity in the occurrence and nature of clustering: “there is no such thing as a ‘typical’ pattern of clustering within, say, Medieval cities or Islamic cities”.The existence and nature of clustering in Roman cities have rarely been the object of systematic study, and most contributions have focused on textual evidence for clustering in the city of Rome. A recent consideration of Rome under the Principate findsno evidence for strong clustering along social lines. The evidence points rather to the reverse: social mixing, at all levels.Similarly, a study of the neighborhoods of Augustan Rome observes that,although areas of the city might develop reputations as more or less desirable, ancient Rome was not generally segregated by class. Apartment buildings for poorer residents existed alongside the houses of more affluent residents in almost every quarter of the city.

中文翻译：

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5世纪的社会集群。君士坦丁堡：Notitia 的证据

将具有相似社会地位、种族或宗教身份或地理起源的居民聚集到城市的不同区域是“城市社区的共同但绝不普遍的属性”。同一文化和时代的不同城市在集群的发生和性质上表现出多样性：“在中世纪城市或伊斯兰城市中，没有所谓的‘典型’集群模式”。集群的存在和性质罗马城市很少成为系统研究的对象，大多数贡献都集中在罗马城聚集的文本证据上。最近在《原则》下对罗马的考虑发现没有证据表明沿着社会路线有很强的聚集性。证据恰恰相反：社会混合，在各个层面。同样，一项对奥古斯都罗马社区的研究发现，尽管城市的某些地区可能会或多或少地享有盛誉，但古罗马通常不会按阶级隔离。几乎在城市的每一个角落，贫困居民的公寓楼都与较富裕居民的房屋并存。