User blog comment:G0LD3NF1RE/E3 Elder Scrolls Online Roundup/@comment-83.9.236.29-20130630125925/@comment-98.65.232.107-20130701161843

He also said you CANT even go into enemy provinces until you complete your factions questline..and the only reason for that isnt to go fight them but to just go do all the misc non faction related quests that you missed out on....