Networks are used to communicate between two or more device. Networks are of two types one is wired network and another is a wireless network. In the computer world, the wireless networks become more powerful. MANET is a wireless network which is a collection of different separate devices which is used to communicate with each other devices directly. Ad-hoc networks are mostly local area network where the computers or any other devices that are used to share the data or any other information directly to one another without the use of centralized access point. MANET is an infrastructure less network. MANET is a suburbanized communication. Each and every devices or computer act as a server and client. In this paper, a survey of a mobile ad-hoc network is presented.