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|Native name: Στρογγυλή|
|Area||0.151 km2 (0.058 sq mi)|
Strongyli (Greek: Στρογγυλή, "round"), also known as Strongylo, is an uninhabited Greek islet, located south of cape Goudero on the coast of Lasithi, eastern Crete, in the Libyan Sea. It forms a close group of islands with Koufonisi, Makroulo, Marmaro, and Trachilos.