1000+ Instagram Group Links - Join Random GC - January 2026 Instagram groups are communities where users band together to help each other with their activities on Instagram. Everyone in the group interacts with each other’s content, likes it, leaves comments, and shares it. Instagram groups are also known as Group Profiles and is a newer feature that creates almost a group message in Instagram. Similar to Facebook Groups, in Instagram Groups, you can share content with different groups amongst the network.