• 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?