These are Overwatch’s servers, so there’s actually 2 europe server, and you could add two china servers’ node.
Americas:
ord1 - O’Hare International Airport - Chicago
lax1 - Los Angeles International Airport - Los Angeles
pse1 - AWS hosted - Pacific SouthEast 1 - Singapore
pse2 - AWS hosted - Pacific SouthEast 2 - Sydney
sae1 - AWS hosted - South America East - São Paulo
Europe:
ams1 - Amsterdam Airport Schiphol - Amsterdam
cdg1 - Charles de Gaulle Airport - Paris
Asia:
icn1 - Incheon International Airport - Seoul
tpe1 - Taiwan Taoyuan International Airport - Taipei
pne1 - AWS hosted - Pacific NorthEast - Tokyo
China:
hgh1 - Hangzhou Xiaoshan International Airport - Hangzhou
cnn1 - AWS hosted - China North - Beijing