[header] How to plan a group trip abroad [title] Decide who's going, how far and when. [step] Sure, people love to think about traveling around the world, but make sure you don't start planning until the basics are decided upon and everyone has committed. It doesn't have to be exact. 
For example, you might decide in january that your family--including 14 adults and nine children--is available to reunite somewhere in europe for 5-6 days either the week of june 11 or july 27. This is enough to move on to step 2.