Country tag for Portugal is:
POR
If you want play for Portugal HOI4 you could use tag command:
tag POR
To annex Portugal in HOI4 you could use annex command:
annex POR
To delete all Portugal units you could use deleteallunits command:
deleteallunits POR
To add interests on Portugal you could use add_interest command:
add_interest POR
To remove interests on Portugal you could use remove_interest command:
remove_interest POR
To start occupation on Portugal you could use occupationpaint command:
occupationpaint POR
More country tags for HOI4 or more cheats for Hearts of Iron IV