Help! Cant decide between two possible routes.

We are getting married end of September, and planning to leave for our honeymoon mid-October. We have been talking about to go 1. Vietnam (Hanoi + Halong bay) and then head to Ko Samui, Thailand for a relaxing resort before coming home to NY. OR 2. South of Spain, Seville + Granada + Malaga then either Marrakesh, Morocco or head to Mallorca, Spain and back to NY.

We like both options and having a hard time deciding.. wanted to hear people’s thought on the above routes? Budget is not much of an issue and the duration would be about 2weeks.

Any thoughts, tips and/or other suggestions are all welcomed!