In the world, ジェラン (Geslin 
, Gerrans 
, ジェラン) is quite a rare male first name. The forename ジェラン is characteristic of Sub-Saharan Africa, particularly the Democratic Republic of the Congo, where it is quite a rare boy's name, and Cameroon, where it is a rare male name. More prevalently, ジェラン is the last name as well as the forename.