Sister cities

Twinned with Philadelphia

7 of 13 in this atlas

Philadelphia's twinning ties reach across continents, linking it with cities such as Douala, Incheon, Kobe, Mosul, Nizhniy Novgorod, Salvador, and Tianjin. Each of these pairings is recorded as mutual, with both sides formally naming the other, giving Philadelphia a set of partnerships spanning Africa, Asia, South America, and Europe without any one-sided declarations among them.