List of quadrangles on Io

Io has been divided into 15 quadrangles.

Name	Number	Latitude	Longitude	Namesake
	Ji1	65-90° N	0-360° W
Ruwa Patera	Ji2	21-66° N	0-90° W	Ruwa Patera
	Ji3	21-66° N	90-180° W
	Ji4	21-66° N	180-270° W
	Ji5	21-66° N	270-360° W
	Ji6	22° N-22° S	0-72° W
	Ji7	22° N-22° S	72-144° W
	Ji8	22° N-22° S	144-216° W
	Ji9	22° N-22° S	216-288° W
	Ji10	22° N-22° S	288-360° W
	Ji11	21-66° S	0-90° W
	Ji12	21-66° S	90-180° W
	Ji13	21-66° S	180-270° W
	Ji14	21-66° S	270-360° W
	Ji15	65-90° S	0-360° W