Pordim Islands are two adjacent islands situated 870 m (950 yd) east-northeast of Heywood Island and 2.1 km (1.3 mi) northwest of Catharina Point on Robert Island, South Shetland Islands. Extending 960 m (1,050 yd) in east-southeast to west-northwest direction. The larger islet has a surface area of 10 hectares. Bulgarian early mapping in 2009. Named after the town of Pordim in northern Bulgaria.