Holy See (Vatican City)
none (landlocked)

Honduras
territorial sea: 12 nm
contiguous zone: 24 nm
exclusive economic zone: 200 nm
continental shelf: natural extension of territory or to 200 nm

Hong Kong
territorial sea: 3 nm

Hungary
none (landlocked)

Iceland
territorial sea: 12 nm
exclusive economic zone: 200 nm
continental shelf: 200 nm or to the edge of the continental margin

India
territorial sea: 12 nm
contiguous zone: 24 nm
exclusive economic zone: 200 nm
continental shelf: 200 nm or to the edge of the continental margin

Indonesia
measured from claimed archipelagic straight baselines
territorial sea: 12 nm
exclusive economic zone: 200 nm

Iran
territorial sea: 12 nm
contiguous zone: 24 nm
exclusive economic zone: bilateral agreements or median lines in the
Persian Gulf
continental shelf: natural prolongation

Iraq
territorial sea: 12 nm
continental shelf: not specified

Ireland
territorial sea: 12 nm
exclusive fishing zone: 200 nm