This study aimed to determine the epidemiological characteristics of imported malaria infections in Al-Ahsa, Eastern province of Saudi Arabia, based on a retrospective analysis of central laboratory records over the last ten-year period from 2005 to 2015. Records showing details of all positive slides for malaria blood films over a 10-year period were analysed. The focus was on identifying the common types of malarial parasites in the area, the nationality and the age of the patients.