Marayoor or Marayur is situated in the district of Idukki in Kerala. The major portion of the geographical area of Idukki district lies in the high lands and is characterized by high rainfall and a cool climate. Idukki is one of the few districts in Kerala that does not boast of having a sea coast. The total geographical area of the district sprawls over an area of 5150 sq.km., which is 13 percent of the total area of the state.
Marayoor or Marayur comes under Devikulam block- Several notes are found in history and epics about this area. It is believed that, Lord Sriram and Sitadevi visited this place during 'Vanavasam'. The name 'Devikulam' took its origin from Sitadevi and it is believed that she took bath in a pond here. In the great epic Mahabharatha, this area has also been cited. It is said that, 'Pandavas' had stayed in the area during their 'Vanavasam' and so the place was named as 'Maranjirunnaoor'. Now the place is known as 'Marayur'.
People migrated from Tamil Nadu to this area when the Madurai King Thirumalainaicker was defeated by Tippu Sultan. The Migrated people created five villages namely Kanthalloor, Keezhanthur, Karayur, Marayur and Kottakudi. These villages were called 'Anju Nadu'. During the British period this block was under Periyakulam taluk. British administration introduced plantation crops like rubber, coffee, tea, cardamom etc. Now plantation crops are grown predominantly in Devikulam block. Labourers from Tamil Nadu were brought here to work in these plantations. As a result migration of hundreds of Tamil families took place. A mixture of Tamil and Kerala cultures is prevalent here. Apart from Malayalees and Tamils,hilly tribes can be found in some areas of the block.
The climatic conditions prevailing in the area can be divide in three seasons. They are, winter(December-January), Summer(February-May), and rainy season(June-July).
Agriculture is the major source of income.