Related Clues:

• Present-day Persia
• It abuts Armenia
• Dr. Seuss 'If -- the Zoo' '
• Calcutta setting
• Islamic republic
• Former shahdom
• Dr. Seuss's 'If -- the Zoo'
• Home to over a billion
• Oil-rich country
• Turkey neighbor
• Dr. Seuss' 'If -- the Zoo'
• Gulf land
• It was named in 1935
• Nation on the Gulf of Oman
• Persia, since 1935