Kallayam is located in Thiruvananthapuram District of Kerala. It is about 15 km north-east of Thiruvananthapuram and 5 km from Peroorkada. Main landmarks are Sacred Heart Malankara Catholic Church, SacredHeartEnglishMediumSchool and LutherMissionChurch and Hall. Thiruvananthapuram Central Railway Station and Trivandrum International Airport are the nearest railhead and airport respectively.