0 A hashtag is a word or a set of words preceded by the pound (#) sign that is used to group and find conversations around a specific topic or trend.Hashtags also assist Instagram in determining the nature of your post so that it can be recommended to users who might be interested.A standard post can include up to 30 hashtags, while a Story can have up to 10. Your remark or caption will not post if you try to include more. Read More: What are Instagram ads? Add comment