Museums will promote equal access and provide a welcoming and friendly atmosphere that will inspire visitors regardless of their environmental characteristics or social background. However, different obstacles can prevent people from accessing and taking advantage of the quality services and opportunities they offer. These barriers can be physical, sensory, intellectual, financial, cultural, emotional, or simply insufficient information. Improving access to museums, incorporating inclusion and diversity, utilizing creative ideas to address physical, intellectual and social barriers that expand people to take advantage of the opportunities available. The key challenges facing museums are moving to align with the legal requirements, they must be understood and meet the different needs of different people. More recently, digital technology and social media have enabled museums to engage with a broader audience about creativity and invention, enabling many people to access museum collections, programs and exhibitions. It is important for the museum and gallery to understand the issues approaching their museums in order to continue to find their barrier removal capabilities to ensure an affordable service that meets standards and best practice. A commitment to improvement can help retain and reach a diverse audience, thus enhancing the experience and enjoyment of people of all ages and opportunities. The purpose of this paper is to outline the basic differences with respect to the accessibility and accessibility of museums in the world and in Croatia, also there are some suggestions for improving the accessibility of museums in Croatia, although some museums are already working to increase accessibility.