Foreign travel advice
The Foreign and Commonwealth Office (FCO) advise against all travel to:
within 100km of the entire Iran/Afghanistan border
within 10km of the entire Iran/Iraq border
the province of Sistan-Baluchistan
the area east of the line running from Bam to Jask, including Bam
There is a general threat from terrorism. See Terrorism
Take out comprehensive travel and medical insurance before you travel.