Decentralisation has assumed the status of a norm in cultural policy in many nations. For any government of today, t is difficult to ignore the ideal of «culture for all», which is stated, albeit in ambiguous terms, in the chapters and principles on which cultural policy is based. The aim of this paper is to explore the theoretical dimension of «decentralization» by examining concepts and theories related to decentralization from various angles. The paper consists of three parts: the first part will attempt to clarify the multiplicities of the concept of decentralisation. It will sort out various definitions and usage of the them, which so fare have remained confused. The second part will question why decentralization is regarded as an issue at all. Finally, the third part will review the strategies of decentralization in cultural policy. It is hoped that the paper will provide us with a panoramic view of the whole discourse on decentralisation, which will facilitate our understanding of the policy implemented in different countries.