A crusade was not a place, it was a legal status: a papally authorised war carrying a spiritual reward. Once that machinery existed it could be pointed anywhere. Drag the year from 1070 to 1310 and watch the map fill in. Keep an eye on the tally on the right — count how many of these wars were aimed at Muslims, and how many were not.
Where the wars went1070–1310
Year1070
Filter the fronts, or leave it on All and let the pattern build itself.