The angel (I believe it is Gabriel) says:
"Soon I must return to fight against the spirit prince of the kingdom of Persia, and after that the spirit prince of the kingdom of Greece will come." (Daniel 10:20; NLT)
This assumes an evil spirit ruler over both countries and possibly more. Are there any Christians1 who understand Daniel 10 implying that there is an evil spirit prince over each country?
1. Any Christian meaning a particular Church or group, etc.