Learn how to say Dardanelles correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word Dardanelles:
a narrow strait between Europe and Asiatic Turkey (called the Hellespont in classical times), linking the Sea of Marmara with the Aegean Sea. It is 60 km (38 miles) long. In 1915 it was the scene of an unsuccessful attack on Turkey by Allied troops (see Gallipoli).