Libraries have long been considered as essential institutions for education, knowledge dissemination, and cultural preservation. However, in recent years, there has been a growing recognition of libraries as not only educational and informational centers but also as significant contributors to the tourism industry. Libraries, with their rich collections, architectural marvels, and cultural significance, have emerged as unique attractions for tourists seeking intellectual enrichment and a deeper understanding of local heritage. 
According to Law No. 43 of 2007 concerning Libraries, article 1 states that "Library is an institution that manages collections of written works, printed works, and / or recorded works professionally with a standard system to meet the needs of education, research, preservation, information, and recreation of users".  


The important factors to Social media platforms like Instagram can play a significant role in library marketing by helping to promote library services, resources, and events to a wider audience. 

The writers will use model from Flori Needle (2022) by Hubspot to increase engagement rate of instagram as social media marketing with maintain consistent branding, understand the audience, post regularly, create better captions, engage with followers, create mixed content, use CTAs and track the statistics. By using this model on Bandung City Instagram account can increase engagement rate that leverages a variety of audience to reach more audience and promote their services in Library.