Comparing the two fragrances…

Mesopotamia

Ormonde Jayne
Babylon
Babylonia
Only in Babylon
Shared character
Both Babylon and Babylonia feature notes of bergamot, musk, and pink pepper, and they both share powdery and amber accords.
How they differ
Babylon is characterized by woody, balsamic, and patchouli accords, incorporating jasmine, tuberose, ylang-ylang, pear blossom, and amber xtreme. In contrast, Babylonia is defined by floral, citrus, fruity, spicy, sweet, aromatic, and vanilla accords, utilizing orange blossom, vanilla, iris/orris, violet, praline, benzoin (siam), blackcurrant, white musk, davana, vanilla absolute, orris butter, bluebell, bellflower, orris, and siam benzoin.
Who each suits
Babylon suits those who prefer woody, balsamic, and warm spicy profiles with white florals and patchouli. Babylonia suits those who prefer sweet, fruity, and aromatic profiles with vanilla, iris, and various floral notes.
More Babylon comparisons
Only in Babylonia